340405681

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 454220928

約数和(自身を除く): 113815247

約数列:

[1, 7, 11, 23, 61, 77, 137, 161, 253, 427, 529, 671, 959, 1403, 1507, 1771, 3151, 3703, 4697, 5819, 8357, 9821, 10549, 15433, 22057, 32269, 34661, 40733, 58499, 72473, 91927, 108031, 192211, 225883, 242627, 354959, 507311, 643489, 797203, 1345477, 2114321, 2484713, 4420853, 5580421, 14800247, 30945971, 48629383, 340405681]

約数ペア:

[(1, 340405681), (7, 48629383), (11, 30945971), (23, 14800247), (61, 5580421), (77, 4420853), (137, 2484713), (161, 2114321), (253, 1345477), (427, 797203), (529, 643489), (671, 507311), (959, 354959), (1403, 242627), (1507, 225883), (1771, 192211), (3151, 108031), (3703, 91927), (4697, 72473), (5819, 58499), (8357, 40733), (9821, 34661), (10549, 32269), (15433, 22057)]