128547204

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 316298304

約数和(自身を除く): 187751100

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 71, 93, 124, 142, 157, 186, 213, 284, 314, 372, 426, 471, 628, 852, 942, 961, 1884, 1922, 2201, 2883, 3844, 4402, 4867, 5766, 6603, 8804, 9734, 11147, 11532, 13206, 14601, 19468, 22294, 26412, 29202, 33441, 44588, 58404, 66882, 68231, 133764, 136462, 150877, 204693, 272924, 301754, 345557, 409386, 452631, 603508, 691114, 818772, 905262, 1036671, 1382228, 1810524, 2073342, 4146684, 10712267, 21424534, 32136801, 42849068, 64273602, 128547204]

約数ペア:

[(1, 128547204), (2, 64273602), (3, 42849068), (4, 32136801), (6, 21424534), (12, 10712267), (31, 4146684), (62, 2073342), (71, 1810524), (93, 1382228), (124, 1036671), (142, 905262), (157, 818772), (186, 691114), (213, 603508), (284, 452631), (314, 409386), (372, 345557), (426, 301754), (471, 272924), (628, 204693), (852, 150877), (942, 136462), (961, 133764), (1884, 68231), (1922, 66882), (2201, 58404), (2883, 44588), (3844, 33441), (4402, 29202), (4867, 26412), (5766, 22294), (6603, 19468), (8804, 14601), (9734, 13206), (11147, 11532)]