31638487904

素因数分解:

$2^5\times {\mathrm{31}}^2\times {\mathrm{127}}^1\times {\mathrm{8101}}^1$

素因数の和:8300

約数の個数: 72

約数和(自身を含む): 64877186304

約数和(自身を除く): 33238698400

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 127, 248, 254, 496, 508, 961, 992, 1016, 1922, 2032, 3844, 3937, 4064, 7688, 7874, 8101, 15376, 15748, 16202, 30752, 31496, 32404, 62992, 64808, 122047, 125984, 129616, 244094, 251131, 259232, 488188, 502262, 976376, 1004524, 1028827, 1952752, 2009048, 2057654, 3905504, 4018096, 4115308, 7785061, 8036192, 8230616, 15570122, 16461232, 31140244, 31893637, 32922464, 62280488, 63787274, 124560976, 127574548, 249121952, 255149096, 510298192, 988702747, 1020596384, 1977405494, 3954810988, 7909621976, 15819243952, 31638487904]

約数ペア:

[(1, 31638487904), (2, 15819243952), (4, 7909621976), (8, 3954810988), (16, 1977405494), (31, 1020596384), (32, 988702747), (62, 510298192), (124, 255149096), (127, 249121952), (248, 127574548), (254, 124560976), (496, 63787274), (508, 62280488), (961, 32922464), (992, 31893637), (1016, 31140244), (1922, 16461232), (2032, 15570122), (3844, 8230616), (3937, 8036192), (4064, 7785061), (7688, 4115308), (7874, 4018096), (8101, 3905504), (15376, 2057654), (15748, 2009048), (16202, 1952752), (30752, 1028827), (31496, 1004524), (32404, 976376), (62992, 502262), (64808, 488188), (122047, 259232), (125984, 251131), (129616, 244094)]