655127538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{21481}}^1$

素因数の和:21539

約数の個数: 64

約数和(自身を含む): 1559077632

約数和(自身を除く): 903950094

約数列:

[1, 2, 3, 6, 13, 17, 23, 26, 34, 39, 46, 51, 69, 78, 102, 138, 221, 299, 391, 442, 598, 663, 782, 897, 1173, 1326, 1794, 2346, 5083, 10166, 15249, 21481, 30498, 42962, 64443, 128886, 279253, 365177, 494063, 558506, 730354, 837759, 988126, 1095531, 1482189, 1675518, 2191062, 2964378, 4747301, 6422819, 8399071, 9494602, 12845638, 14241903, 16798142, 19268457, 25197213, 28483806, 38536914, 50394426, 109187923, 218375846, 327563769, 655127538]

約数ペア:

[(1, 655127538), (2, 327563769), (3, 218375846), (6, 109187923), (13, 50394426), (17, 38536914), (23, 28483806), (26, 25197213), (34, 19268457), (39, 16798142), (46, 14241903), (51, 12845638), (69, 9494602), (78, 8399071), (102, 6422819), (138, 4747301), (221, 2964378), (299, 2191062), (391, 1675518), (442, 1482189), (598, 1095531), (663, 988126), (782, 837759), (897, 730354), (1173, 558506), (1326, 494063), (1794, 365177), (2346, 279253), (5083, 128886), (10166, 64443), (15249, 42962), (21481, 30498)]