81561912

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1733}}^1$

素因数の和:1832

約数の個数: 64

約数和(自身を含む): 213490080

約数和(自身を除く): 131928168

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 53, 74, 106, 111, 148, 159, 212, 222, 296, 318, 424, 444, 636, 888, 1272, 1733, 1961, 3466, 3922, 5199, 5883, 6932, 7844, 10398, 11766, 13864, 15688, 20796, 23532, 41592, 47064, 64121, 91849, 128242, 183698, 192363, 256484, 275547, 367396, 384726, 512968, 551094, 734792, 769452, 1102188, 1538904, 2204376, 3398413, 6796826, 10195239, 13593652, 20390478, 27187304, 40780956, 81561912]

約数ペア:

[(1, 81561912), (2, 40780956), (3, 27187304), (4, 20390478), (6, 13593652), (8, 10195239), (12, 6796826), (24, 3398413), (37, 2204376), (53, 1538904), (74, 1102188), (106, 769452), (111, 734792), (148, 551094), (159, 512968), (212, 384726), (222, 367396), (296, 275547), (318, 256484), (424, 192363), (444, 183698), (636, 128242), (888, 91849), (1272, 64121), (1733, 47064), (1961, 41592), (3466, 23532), (3922, 20796), (5199, 15688), (5883, 13864), (6932, 11766), (7844, 10398)]