1219660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4691}}^1$

素因数の和:4713

約数の個数: 24

約数和(自身を含む): 2758896

約数和(自身を除く): 1539236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4691, 9382, 18764, 23455, 46910, 60983, 93820, 121966, 243932, 304915, 609830, 1219660]

約数ペア:

[(1, 1219660), (2, 609830), (4, 304915), (5, 243932), (10, 121966), (13, 93820), (20, 60983), (26, 46910), (52, 23455), (65, 18764), (130, 9382), (260, 4691)]