13581516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 35437584

約数和(自身を除く): 21856068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 169, 181, 222, 338, 362, 444, 481, 507, 543, 676, 724, 962, 1014, 1086, 1443, 1924, 2028, 2172, 2353, 2886, 4706, 5772, 6253, 6697, 7059, 9412, 12506, 13394, 14118, 18759, 20091, 25012, 26788, 28236, 30589, 37518, 40182, 61178, 75036, 80364, 87061, 91767, 122356, 174122, 183534, 261183, 348244, 367068, 522366, 1044732, 1131793, 2263586, 3395379, 4527172, 6790758, 13581516]

約数ペア:

[(1, 13581516), (2, 6790758), (3, 4527172), (4, 3395379), (6, 2263586), (12, 1131793), (13, 1044732), (26, 522366), (37, 367068), (39, 348244), (52, 261183), (74, 183534), (78, 174122), (111, 122356), (148, 91767), (156, 87061), (169, 80364), (181, 75036), (222, 61178), (338, 40182), (362, 37518), (444, 30589), (481, 28236), (507, 26788), (543, 25012), (676, 20091), (724, 18759), (962, 14118), (1014, 13394), (1086, 12506), (1443, 9412), (1924, 7059), (2028, 6697), (2172, 6253), (2353, 5772), (2886, 4706)]