128563348

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 243432000

約数和(自身を除く): 114868652

約数列:

[1, 2, 4, 19, 38, 76, 83, 89, 166, 178, 229, 332, 356, 458, 916, 1577, 1691, 3154, 3382, 4351, 6308, 6764, 7387, 8702, 14774, 17404, 19007, 20381, 29548, 38014, 40762, 76028, 81524, 140353, 280706, 361133, 387239, 561412, 722266, 774478, 1444532, 1548956, 1691623, 3383246, 6766492, 32140837, 64281674, 128563348]

約数ペア:

[(1, 128563348), (2, 64281674), (4, 32140837), (19, 6766492), (38, 3383246), (76, 1691623), (83, 1548956), (89, 1444532), (166, 774478), (178, 722266), (229, 561412), (332, 387239), (356, 361133), (458, 280706), (916, 140353), (1577, 81524), (1691, 76028), (3154, 40762), (3382, 38014), (4351, 29548), (6308, 20381), (6764, 19007), (7387, 17404), (8702, 14774)]