28605115

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 43130880

約数和(自身を除く): 14525765

約数列:

[1, 5, 7, 11, 35, 55, 77, 191, 385, 389, 955, 1337, 1945, 2101, 2723, 4279, 6685, 10505, 13615, 14707, 21395, 29953, 73535, 74299, 149765, 371495, 520093, 817289, 2600465, 4086445, 5721023, 28605115]

約数ペア:

[(1, 28605115), (5, 5721023), (7, 4086445), (11, 2600465), (35, 817289), (55, 520093), (77, 371495), (191, 149765), (385, 74299), (389, 73535), (955, 29953), (1337, 21395), (1945, 14707), (2101, 13615), (2723, 10505), (4279, 6685)]