28551965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 39580800

約数和(自身を除く): 11028835

約数列:

[1, 5, 13, 19, 61, 65, 95, 247, 305, 379, 793, 1159, 1235, 1895, 3965, 4927, 5795, 7201, 15067, 23119, 24635, 36005, 75335, 93613, 115595, 300547, 439261, 468065, 1502735, 2196305, 5710393, 28551965]

約数ペア:

[(1, 28551965), (5, 5710393), (13, 2196305), (19, 1502735), (61, 468065), (65, 439261), (95, 300547), (247, 115595), (305, 93613), (379, 75335), (793, 36005), (1159, 24635), (1235, 23119), (1895, 15067), (3965, 7201), (4927, 5795)]