31216276

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{449}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 67737600

約数和(自身を除く): 36521324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 191, 364, 382, 449, 764, 898, 1337, 1796, 2483, 2674, 3143, 4966, 5348, 5837, 6286, 9932, 11674, 12572, 17381, 23348, 34762, 40859, 69524, 81718, 85759, 163436, 171518, 343036, 600313, 1114867, 1200626, 2229734, 2401252, 4459468, 7804069, 15608138, 31216276]

約数ペア:

[(1, 31216276), (2, 15608138), (4, 7804069), (7, 4459468), (13, 2401252), (14, 2229734), (26, 1200626), (28, 1114867), (52, 600313), (91, 343036), (182, 171518), (191, 163436), (364, 85759), (382, 81718), (449, 69524), (764, 40859), (898, 34762), (1337, 23348), (1796, 17381), (2483, 12572), (2674, 11674), (3143, 9932), (4966, 6286), (5348, 5837)]