401788897937

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{5581}}^1\times {\mathrm{10399}}^1$

素因数の和:16053

約数の個数: 32

約数和(自身を含む): 490430054400

約数和(自身を除く): 88641156463

約数列:

[1, 7, 23, 43, 161, 301, 989, 5581, 6923, 10399, 39067, 72793, 128363, 239177, 239983, 447157, 898541, 1674239, 1679881, 3130099, 5519609, 10284611, 38637263, 58036819, 71992277, 406257733, 1334846837, 2495583217, 9343927859, 17469082519, 57398413991, 401788897937]

約数ペア:

[(1, 401788897937), (7, 57398413991), (23, 17469082519), (43, 9343927859), (161, 2495583217), (301, 1334846837), (989, 406257733), (5581, 71992277), (6923, 58036819), (10399, 38637263), (39067, 10284611), (72793, 5519609), (128363, 3130099), (239177, 1679881), (239983, 1674239), (447157, 898541)]