55640728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2861}}^1$

素因数の和:2908

約数の個数: 64

約数和(自身を含む): 129820320

約数和(自身を除く): 74179592

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 187, 221, 286, 374, 442, 572, 748, 884, 1144, 1496, 1768, 2431, 2861, 4862, 5722, 9724, 11444, 19448, 22888, 31471, 37193, 48637, 62942, 74386, 97274, 125884, 148772, 194548, 251768, 297544, 389096, 409123, 535007, 632281, 818246, 1070014, 1264562, 1636492, 2140028, 2529124, 3272984, 4280056, 5058248, 6955091, 13910182, 27820364, 55640728]

約数ペア:

[(1, 55640728), (2, 27820364), (4, 13910182), (8, 6955091), (11, 5058248), (13, 4280056), (17, 3272984), (22, 2529124), (26, 2140028), (34, 1636492), (44, 1264562), (52, 1070014), (68, 818246), (88, 632281), (104, 535007), (136, 409123), (143, 389096), (187, 297544), (221, 251768), (286, 194548), (374, 148772), (442, 125884), (572, 97274), (748, 74386), (884, 62942), (1144, 48637), (1496, 37193), (1768, 31471), (2431, 22888), (2861, 19448), (4862, 11444), (5722, 9724)]