172270945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{26321}}^1$

素因数の和:26361

約数の個数: 32

約数和(自身を含む): 272906496

約数和(自身を除く): 100635551

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 6545, 26321, 131605, 184247, 289531, 447457, 921235, 1447655, 2026717, 2237285, 3132199, 4922027, 10133585, 15660995, 24610135, 34454189, 172270945]

約数ペア:

[(1, 172270945), (5, 34454189), (7, 24610135), (11, 15660995), (17, 10133585), (35, 4922027), (55, 3132199), (77, 2237285), (85, 2026717), (119, 1447655), (187, 921235), (385, 447457), (595, 289531), (935, 184247), (1309, 131605), (6545, 26321)]