81541486

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:685

約数の個数: 48

約数和(自身を含む): 146569824

約数和(自身を除く): 65028338

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 169, 221, 299, 338, 391, 442, 598, 617, 782, 1234, 2873, 3887, 5083, 5746, 7774, 8021, 10166, 10489, 14191, 16042, 20978, 28382, 66079, 104273, 132158, 136357, 184483, 208546, 241247, 272714, 368966, 482494, 1772641, 2398279, 3136211, 3545282, 4796558, 6272422, 40770743, 81541486]

約数ペア:

[(1, 81541486), (2, 40770743), (13, 6272422), (17, 4796558), (23, 3545282), (26, 3136211), (34, 2398279), (46, 1772641), (169, 482494), (221, 368966), (299, 272714), (338, 241247), (391, 208546), (442, 184483), (598, 136357), (617, 132158), (782, 104273), (1234, 66079), (2873, 28382), (3887, 20978), (5083, 16042), (5746, 14191), (7774, 10489), (8021, 10166)]