1289778815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{1433}}^1$

素因数の和:1739

約数の個数: 32

約数和(自身を含む): 1702766016

約数和(自身を除く): 412987201

約数列:

[1, 5, 13, 61, 65, 227, 305, 793, 1135, 1433, 2951, 3965, 7165, 13847, 14755, 18629, 69235, 87413, 93145, 180011, 325291, 437065, 900055, 1136369, 1626455, 4228783, 5681845, 19842751, 21143915, 99213755, 257955763, 1289778815]

約数ペア:

[(1, 1289778815), (5, 257955763), (13, 99213755), (61, 21143915), (65, 19842751), (227, 5681845), (305, 4228783), (793, 1626455), (1135, 1136369), (1433, 900055), (2951, 437065), (3965, 325291), (7165, 180011), (13847, 93145), (14755, 87413), (18629, 69235)]