81430986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:356

約数の個数: 128

約数和(自身を含む): 219856896

約数和(自身を除く): 138425910

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 31, 34, 39, 42, 51, 62, 78, 91, 93, 102, 119, 182, 186, 217, 221, 238, 273, 283, 357, 403, 434, 442, 527, 546, 566, 651, 663, 714, 806, 849, 1054, 1209, 1302, 1326, 1547, 1581, 1698, 1981, 2418, 2821, 3094, 3162, 3679, 3689, 3962, 4641, 4811, 5642, 5943, 6851, 7358, 7378, 8463, 8773, 9282, 9622, 11037, 11067, 11886, 13702, 14433, 16926, 17546, 20553, 22074, 22134, 25753, 26319, 28866, 33677, 41106, 47957, 51506, 52638, 61411, 62543, 67354, 77259, 95914, 101031, 114049, 122822, 125086, 143871, 149141, 154518, 184233, 187629, 202062, 228098, 287742, 298282, 342147, 368466, 375258, 437801, 447423, 684294, 798343, 875602, 894846, 1043987, 1313403, 1596686, 1938833, 2087974, 2395029, 2626806, 3131961, 3877666, 4790058, 5816499, 6263922, 11632998, 13571831, 27143662, 40715493, 81430986]

約数ペア:

[(1, 81430986), (2, 40715493), (3, 27143662), (6, 13571831), (7, 11632998), (13, 6263922), (14, 5816499), (17, 4790058), (21, 3877666), (26, 3131961), (31, 2626806), (34, 2395029), (39, 2087974), (42, 1938833), (51, 1596686), (62, 1313403), (78, 1043987), (91, 894846), (93, 875602), (102, 798343), (119, 684294), (182, 447423), (186, 437801), (217, 375258), (221, 368466), (238, 342147), (273, 298282), (283, 287742), (357, 228098), (403, 202062), (434, 187629), (442, 184233), (527, 154518), (546, 149141), (566, 143871), (651, 125086), (663, 122822), (714, 114049), (806, 101031), (849, 95914), (1054, 77259), (1209, 67354), (1302, 62543), (1326, 61411), (1547, 52638), (1581, 51506), (1698, 47957), (1981, 41106), (2418, 33677), (2821, 28866), (3094, 26319), (3162, 25753), (3679, 22134), (3689, 22074), (3962, 20553), (4641, 17546), (4811, 16926), (5642, 14433), (5943, 13702), (6851, 11886), (7358, 11067), (7378, 11037), (8463, 9622), (8773, 9282)]