64821328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:764

約数の個数: 80

約数和(自身を含む): 151365312

約数和(自身を除く): 86543984

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, 691, 902, 1066, 1144, 1382, 1804, 2132, 2288, 2764, 3608, 4264, 5528, 5863, 7216, 7601, 8528, 8983, 11056, 11726, 15202, 17966, 23452, 28331, 30404, 35932, 46904, 56662, 60808, 71864, 93808, 98813, 113324, 121616, 143728, 197626, 226648, 311641, 368303, 395252, 453296, 623282, 736606, 790504, 1246564, 1473212, 1581008, 2493128, 2946424, 4051333, 4986256, 5892848, 8102666, 16205332, 32410664, 64821328]

約数ペア:

[(1, 64821328), (2, 32410664), (4, 16205332), (8, 8102666), (11, 5892848), (13, 4986256), (16, 4051333), (22, 2946424), (26, 2493128), (41, 1581008), (44, 1473212), (52, 1246564), (82, 790504), (88, 736606), (104, 623282), (143, 453296), (164, 395252), (176, 368303), (208, 311641), (286, 226648), (328, 197626), (451, 143728), (533, 121616), (572, 113324), (656, 98813), (691, 93808), (902, 71864), (1066, 60808), (1144, 56662), (1382, 46904), (1804, 35932), (2132, 30404), (2288, 28331), (2764, 23452), (3608, 17966), (4264, 15202), (5528, 11726), (5863, 11056), (7216, 8983), (7601, 8528)]