161256708

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1427}}^1$

素因数の和:1553

約数の個数: 72

約数和(自身を含む): 423110688

約数和(自身を除く): 261853980

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 73, 86, 129, 146, 172, 219, 258, 292, 387, 438, 516, 657, 774, 876, 1314, 1427, 1548, 2628, 2854, 3139, 4281, 5708, 6278, 8562, 9417, 12556, 12843, 17124, 18834, 25686, 28251, 37668, 51372, 56502, 61361, 104171, 113004, 122722, 184083, 208342, 245444, 312513, 368166, 416684, 552249, 625026, 736332, 937539, 1104498, 1250052, 1875078, 2208996, 3750156, 4479353, 8958706, 13438059, 17917412, 26876118, 40314177, 53752236, 80628354, 161256708]

約数ペア:

[(1, 161256708), (2, 80628354), (3, 53752236), (4, 40314177), (6, 26876118), (9, 17917412), (12, 13438059), (18, 8958706), (36, 4479353), (43, 3750156), (73, 2208996), (86, 1875078), (129, 1250052), (146, 1104498), (172, 937539), (219, 736332), (258, 625026), (292, 552249), (387, 416684), (438, 368166), (516, 312513), (657, 245444), (774, 208342), (876, 184083), (1314, 122722), (1427, 113004), (1548, 104171), (2628, 61361), (2854, 56502), (3139, 51372), (4281, 37668), (5708, 28251), (6278, 25686), (8562, 18834), (9417, 17124), (12556, 12843)]