64905876

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1423}}^1$

素因数の和:1621

約数の個数: 72

約数和(自身を含む): 188674304

約数和(自身を除く): 123768428

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 181, 252, 362, 543, 724, 1086, 1267, 1423, 1629, 2172, 2534, 2846, 3258, 3801, 4269, 5068, 5692, 6516, 7602, 8538, 9961, 11403, 12807, 15204, 17076, 19922, 22806, 25614, 29883, 39844, 45612, 51228, 59766, 89649, 119532, 179298, 257563, 358596, 515126, 772689, 1030252, 1545378, 1802941, 2318067, 3090756, 3605882, 4636134, 5408823, 7211764, 9272268, 10817646, 16226469, 21635292, 32452938, 64905876]

約数ペア:

[(1, 64905876), (2, 32452938), (3, 21635292), (4, 16226469), (6, 10817646), (7, 9272268), (9, 7211764), (12, 5408823), (14, 4636134), (18, 3605882), (21, 3090756), (28, 2318067), (36, 1802941), (42, 1545378), (63, 1030252), (84, 772689), (126, 515126), (181, 358596), (252, 257563), (362, 179298), (543, 119532), (724, 89649), (1086, 59766), (1267, 51228), (1423, 45612), (1629, 39844), (2172, 29883), (2534, 25614), (2846, 22806), (3258, 19922), (3801, 17076), (4269, 15204), (5068, 12807), (5692, 11403), (6516, 9961), (7602, 8538)]