1561440244

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{26317}}^1$

素因数の和:26504

約数の個数: 48

約数和(自身を含む): 3383863168

約数和(自身を除く): 1822422924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 163, 182, 326, 364, 652, 1141, 2119, 2282, 4238, 4564, 8476, 14833, 26317, 29666, 52634, 59332, 105268, 184219, 342121, 368438, 684242, 736876, 1368484, 2394847, 4289671, 4789694, 8579342, 9579388, 17158684, 30027697, 55765723, 60055394, 111531446, 120110788, 223062892, 390360061, 780720122, 1561440244]

約数ペア:

[(1, 1561440244), (2, 780720122), (4, 390360061), (7, 223062892), (13, 120110788), (14, 111531446), (26, 60055394), (28, 55765723), (52, 30027697), (91, 17158684), (163, 9579388), (182, 8579342), (326, 4789694), (364, 4289671), (652, 2394847), (1141, 1368484), (2119, 736876), (2282, 684242), (4238, 368438), (4564, 342121), (8476, 184219), (14833, 105268), (26317, 59332), (29666, 52634)]