64814128

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1091}}^1$

素因数の和:1225

約数の個数: 40

約数和(自身を含む): 129991680

約数和(自身を除く): 65177552

約数列:

[1, 2, 4, 8, 16, 47, 79, 94, 158, 188, 316, 376, 632, 752, 1091, 1264, 2182, 3713, 4364, 7426, 8728, 14852, 17456, 29704, 51277, 59408, 86189, 102554, 172378, 205108, 344756, 410216, 689512, 820432, 1379024, 4050883, 8101766, 16203532, 32407064, 64814128]

約数ペア:

[(1, 64814128), (2, 32407064), (4, 16203532), (8, 8101766), (16, 4050883), (47, 1379024), (79, 820432), (94, 689512), (158, 410216), (188, 344756), (316, 205108), (376, 172378), (632, 102554), (752, 86189), (1091, 59408), (1264, 51277), (2182, 29704), (3713, 17456), (4364, 14852), (7426, 8728)]