28077665

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{313}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 42322176

約数和(自身を除く): 14244511

約数列:

[1, 5, 7, 11, 35, 55, 77, 233, 313, 385, 1165, 1565, 1631, 2191, 2563, 3443, 8155, 10955, 12815, 17215, 17941, 24101, 72929, 89705, 120505, 364645, 510503, 802219, 2552515, 4011095, 5615533, 28077665]

約数ペア:

[(1, 28077665), (5, 5615533), (7, 4011095), (11, 2552515), (35, 802219), (55, 510503), (77, 364645), (233, 120505), (313, 89705), (385, 72929), (1165, 24101), (1565, 17941), (1631, 17215), (2191, 12815), (2563, 10955), (3443, 8155)]