81896724

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{641}}^1$

素因数の和:687

約数の個数: 144

約数和(自身を含む): 263168640

約数和(自身を除く): 181271916

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 84, 91, 108, 117, 126, 156, 169, 182, 189, 234, 252, 273, 338, 351, 364, 378, 468, 507, 546, 641, 676, 702, 756, 819, 1014, 1092, 1183, 1282, 1404, 1521, 1638, 1923, 2028, 2366, 2457, 2564, 3042, 3276, 3549, 3846, 4487, 4563, 4732, 4914, 5769, 6084, 7098, 7692, 8333, 8974, 9126, 9828, 10647, 11538, 13461, 14196, 16666, 17307, 17948, 18252, 21294, 23076, 24999, 26922, 31941, 33332, 34614, 40383, 42588, 49998, 53844, 58331, 63882, 69228, 74997, 80766, 99996, 108329, 116662, 121149, 127764, 149994, 161532, 174993, 216658, 224991, 233324, 242298, 299988, 324987, 349986, 433316, 449982, 484596, 524979, 649974, 699972, 758303, 899964, 974961, 1049958, 1299948, 1516606, 1574937, 1949922, 2099916, 2274909, 2924883, 3033212, 3149874, 3899844, 4549818, 5849766, 6299748, 6824727, 9099636, 11699532, 13649454, 20474181, 27298908, 40948362, 81896724]

約数ペア:

[(1, 81896724), (2, 40948362), (3, 27298908), (4, 20474181), (6, 13649454), (7, 11699532), (9, 9099636), (12, 6824727), (13, 6299748), (14, 5849766), (18, 4549818), (21, 3899844), (26, 3149874), (27, 3033212), (28, 2924883), (36, 2274909), (39, 2099916), (42, 1949922), (52, 1574937), (54, 1516606), (63, 1299948), (78, 1049958), (84, 974961), (91, 899964), (108, 758303), (117, 699972), (126, 649974), (156, 524979), (169, 484596), (182, 449982), (189, 433316), (234, 349986), (252, 324987), (273, 299988), (338, 242298), (351, 233324), (364, 224991), (378, 216658), (468, 174993), (507, 161532), (546, 149994), (641, 127764), (676, 121149), (702, 116662), (756, 108329), (819, 99996), (1014, 80766), (1092, 74997), (1183, 69228), (1282, 63882), (1404, 58331), (1521, 53844), (1638, 49998), (1923, 42588), (2028, 40383), (2366, 34614), (2457, 33332), (2564, 31941), (3042, 26922), (3276, 24999), (3549, 23076), (3846, 21294), (4487, 18252), (4563, 17948), (4732, 17307), (4914, 16666), (5769, 14196), (6084, 13461), (7098, 11538), (7692, 10647), (8333, 9828), (8974, 9126)]