154931645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1021}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 211921920

約数和(自身を除く): 56990275

約数列:

[1, 5, 11, 31, 55, 89, 155, 341, 445, 979, 1021, 1705, 2759, 4895, 5105, 11231, 13795, 30349, 31651, 56155, 90869, 151745, 158255, 348161, 454345, 999559, 1740805, 2816939, 4997795, 14084695, 30986329, 154931645]

約数ペア:

[(1, 154931645), (5, 30986329), (11, 14084695), (31, 4997795), (55, 2816939), (89, 1740805), (155, 999559), (341, 454345), (445, 348161), (979, 158255), (1021, 151745), (1705, 90869), (2759, 56155), (4895, 31651), (5105, 30349), (11231, 13795)]