15661976005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1\times {\mathrm{8111}}^1$

素因数の和:8677

約数の個数: 32

約数和(自身を含む): 20616680448

約数和(自身を除く): 4954704443

約数列:

[1, 5, 13, 61, 65, 305, 487, 793, 2435, 3965, 6331, 8111, 29707, 31655, 40555, 105443, 148535, 386191, 494771, 527215, 1930955, 2473855, 3950057, 6432023, 19750285, 32160115, 51350741, 240953477, 256753705, 1204767385, 3132395201, 15661976005]

約数ペア:

[(1, 15661976005), (5, 3132395201), (13, 1204767385), (61, 256753705), (65, 240953477), (305, 51350741), (487, 32160115), (793, 19750285), (2435, 6432023), (3965, 3950057), (6331, 2473855), (8111, 1930955), (29707, 527215), (31655, 494771), (40555, 386191), (105443, 148535)]