129492752

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{6983}}^1$

素因数の和:7071

約数の個数: 40

約数和(自身を含む): 268464960

約数和(自身を除く): 138972208

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 1159, 2318, 4636, 6983, 9272, 13966, 18544, 27932, 55864, 111728, 132677, 265354, 425963, 530708, 851926, 1061416, 1703852, 2122832, 3407704, 6815408, 8093297, 16186594, 32373188, 64746376, 129492752]

約数ペア:

[(1, 129492752), (2, 64746376), (4, 32373188), (8, 16186594), (16, 8093297), (19, 6815408), (38, 3407704), (61, 2122832), (76, 1703852), (122, 1061416), (152, 851926), (244, 530708), (304, 425963), (488, 265354), (976, 132677), (1159, 111728), (2318, 55864), (4636, 27932), (6983, 18544), (9272, 13966)]