123457928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 265749120

約数和(自身を除く): 142291192

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 181, 184, 253, 337, 362, 506, 674, 724, 1012, 1348, 1448, 1991, 2024, 2696, 3707, 3982, 4163, 7414, 7751, 7964, 8326, 14828, 15502, 15928, 16652, 29656, 31004, 33304, 45793, 60997, 62008, 85261, 91586, 121994, 170522, 183172, 243988, 341044, 366344, 487976, 670967, 682088, 1341934, 1402931, 2683868, 2805862, 5367736, 5611724, 11223448, 15432241, 30864482, 61728964, 123457928]

約数ペア:

[(1, 123457928), (2, 61728964), (4, 30864482), (8, 15432241), (11, 11223448), (22, 5611724), (23, 5367736), (44, 2805862), (46, 2683868), (88, 1402931), (92, 1341934), (181, 682088), (184, 670967), (253, 487976), (337, 366344), (362, 341044), (506, 243988), (674, 183172), (724, 170522), (1012, 121994), (1348, 91586), (1448, 85261), (1991, 62008), (2024, 60997), (2696, 45793), (3707, 33304), (3982, 31004), (4163, 29656), (7414, 16652), (7751, 15928), (7964, 15502), (8326, 14828)]