1998590958

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{5521}}^1$

素因数の和:5579

約数の個数: 144

約数和(自身を含む): 5675114016

約数和(自身を除く): 3676523058

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 34, 39, 42, 51, 63, 78, 91, 102, 117, 119, 126, 153, 169, 182, 221, 234, 238, 273, 306, 338, 357, 442, 507, 546, 663, 714, 819, 1014, 1071, 1183, 1326, 1521, 1547, 1638, 1989, 2142, 2366, 2873, 3042, 3094, 3549, 3978, 4641, 5521, 5746, 7098, 8619, 9282, 10647, 11042, 13923, 16563, 17238, 20111, 21294, 25857, 27846, 33126, 38647, 40222, 49689, 51714, 60333, 71773, 77294, 93857, 99378, 115941, 120666, 143546, 180999, 187714, 215319, 231882, 281571, 347823, 361998, 430638, 502411, 563142, 645957, 656999, 695646, 844713, 933049, 1004822, 1220141, 1291914, 1313998, 1507233, 1689426, 1866098, 1970997, 2440282, 2799147, 3014466, 3660423, 3941994, 4521699, 5598294, 5912991, 6531343, 7320846, 8397441, 8540987, 9043398, 10981269, 11825982, 13062686, 15861833, 16794882, 17081974, 19594029, 21962538, 25622961, 31723666, 39188058, 47585499, 51245922, 58782087, 76868883, 95170998, 111032831, 117564174, 142756497, 153737766, 222065662, 285512994, 333098493, 666196986, 999295479, 1998590958]

約数ペア:

[(1, 1998590958), (2, 999295479), (3, 666196986), (6, 333098493), (7, 285512994), (9, 222065662), (13, 153737766), (14, 142756497), (17, 117564174), (18, 111032831), (21, 95170998), (26, 76868883), (34, 58782087), (39, 51245922), (42, 47585499), (51, 39188058), (63, 31723666), (78, 25622961), (91, 21962538), (102, 19594029), (117, 17081974), (119, 16794882), (126, 15861833), (153, 13062686), (169, 11825982), (182, 10981269), (221, 9043398), (234, 8540987), (238, 8397441), (273, 7320846), (306, 6531343), (338, 5912991), (357, 5598294), (442, 4521699), (507, 3941994), (546, 3660423), (663, 3014466), (714, 2799147), (819, 2440282), (1014, 1970997), (1071, 1866098), (1183, 1689426), (1326, 1507233), (1521, 1313998), (1547, 1291914), (1638, 1220141), (1989, 1004822), (2142, 933049), (2366, 844713), (2873, 695646), (3042, 656999), (3094, 645957), (3549, 563142), (3978, 502411), (4641, 430638), (5521, 361998), (5746, 347823), (7098, 281571), (8619, 231882), (9282, 215319), (10647, 187714), (11042, 180999), (13923, 143546), (16563, 120666), (17238, 115941), (20111, 99378), (21294, 93857), (25857, 77294), (27846, 71773), (33126, 60333), (38647, 51714), (40222, 49689)]