81228049688

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{1409}}^1\times {\mathrm{55009}}^1$

素因数の和:56555

約数の個数: 32

約数和(自身を含む): 153576918000

約数和(自身を除く): 72348868312

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 1409, 2818, 5636, 11272, 55009, 110018, 184579, 220036, 369158, 440072, 738316, 1476632, 7206179, 14412358, 28824716, 57649432, 77507681, 155015362, 310030724, 620061448, 10153506211, 20307012422, 40614024844, 81228049688]

約数ペア:

[(1, 81228049688), (2, 40614024844), (4, 20307012422), (8, 10153506211), (131, 620061448), (262, 310030724), (524, 155015362), (1048, 77507681), (1409, 57649432), (2818, 28824716), (5636, 14412358), (11272, 7206179), (55009, 1476632), (110018, 738316), (184579, 440072), (220036, 369158)]