64621232

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4637}}^1$

素因数の和:4725

約数の個数: 40

約数和(自身を含む): 136876656

約数和(自身を除く): 72255424

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 4637, 6968, 9274, 13936, 18548, 37096, 60281, 74192, 120562, 241124, 310679, 482248, 621358, 964496, 1242716, 2485432, 4038827, 4970864, 8077654, 16155308, 32310616, 64621232]

約数ペア:

[(1, 64621232), (2, 32310616), (4, 16155308), (8, 8077654), (13, 4970864), (16, 4038827), (26, 2485432), (52, 1242716), (67, 964496), (104, 621358), (134, 482248), (208, 310679), (268, 241124), (536, 120562), (871, 74192), (1072, 60281), (1742, 37096), (3484, 18548), (4637, 13936), (6968, 9274)]