27781390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30529}}^1$

素因数の和:30556

約数の個数: 32

約数和(自身を含む): 61548480

約数和(自身を除く): 33767090

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 30529, 61058, 152645, 213703, 305290, 396877, 427406, 793754, 1068515, 1984385, 2137030, 2778139, 3968770, 5556278, 13890695, 27781390]

約数ペア:

[(1, 27781390), (2, 13890695), (5, 5556278), (7, 3968770), (10, 2778139), (13, 2137030), (14, 1984385), (26, 1068515), (35, 793754), (65, 427406), (70, 396877), (91, 305290), (130, 213703), (182, 152645), (455, 61058), (910, 30529)]