645680464

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6883}}^1$

素因数の和:6956

約数の個数: 80

約数和(自身を含む): 1505778624

約数和(自身を除く): 860098160

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 41, 44, 52, 82, 88, 104, 143, 164, 176, 208, 286, 328, 451, 533, 572, 656, 902, 1066, 1144, 1804, 2132, 2288, 3608, 4264, 5863, 6883, 7216, 8528, 11726, 13766, 23452, 27532, 46904, 55064, 75713, 89479, 93808, 110128, 151426, 178958, 282203, 302852, 357916, 564406, 605704, 715832, 984269, 1128812, 1211408, 1431664, 1968538, 2257624, 3104233, 3668639, 3937076, 4515248, 6208466, 7337278, 7874152, 12416932, 14674556, 15748304, 24833864, 29349112, 40355029, 49667728, 58698224, 80710058, 161420116, 322840232, 645680464]

約数ペア:

[(1, 645680464), (2, 322840232), (4, 161420116), (8, 80710058), (11, 58698224), (13, 49667728), (16, 40355029), (22, 29349112), (26, 24833864), (41, 15748304), (44, 14674556), (52, 12416932), (82, 7874152), (88, 7337278), (104, 6208466), (143, 4515248), (164, 3937076), (176, 3668639), (208, 3104233), (286, 2257624), (328, 1968538), (451, 1431664), (533, 1211408), (572, 1128812), (656, 984269), (902, 715832), (1066, 605704), (1144, 564406), (1804, 357916), (2132, 302852), (2288, 282203), (3608, 178958), (4264, 151426), (5863, 110128), (6883, 93808), (7216, 89479), (8528, 75713), (11726, 55064), (13766, 46904), (23452, 27532)]