15540590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{691}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 30342816

約数和(自身を除く): 14802226

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 691, 865, 1382, 1730, 2249, 3455, 4498, 6910, 8983, 11245, 17966, 22490, 44915, 89830, 119543, 239086, 597715, 1195430, 1554059, 3108118, 7770295, 15540590]

約数ペア:

[(1, 15540590), (2, 7770295), (5, 3108118), (10, 1554059), (13, 1195430), (26, 597715), (65, 239086), (130, 119543), (173, 89830), (346, 44915), (691, 22490), (865, 17966), (1382, 11245), (1730, 8983), (2249, 6910), (3455, 4498)]