123425204

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{569}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 253317120

約数和(自身を除く): 129891916

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 127, 244, 254, 427, 508, 569, 854, 889, 1138, 1708, 1778, 2276, 3556, 3983, 7747, 7966, 15494, 15932, 30988, 34709, 54229, 69418, 72263, 108458, 138836, 144526, 216916, 242963, 289052, 485926, 505841, 971852, 1011682, 2023364, 4408043, 8816086, 17632172, 30856301, 61712602, 123425204]

約数ペア:

[(1, 123425204), (2, 61712602), (4, 30856301), (7, 17632172), (14, 8816086), (28, 4408043), (61, 2023364), (122, 1011682), (127, 971852), (244, 505841), (254, 485926), (427, 289052), (508, 242963), (569, 216916), (854, 144526), (889, 138836), (1138, 108458), (1708, 72263), (1778, 69418), (2276, 54229), (3556, 34709), (3983, 30988), (7747, 15932), (7966, 15494)]