1369371380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{8191}}^1$

素因数の和:8856

約数の個数: 48

約数和(自身を含む): 3102081024

約数和(自身を除く): 1732709644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 643, 1286, 2572, 3215, 6430, 8191, 8359, 12860, 16382, 16718, 32764, 33436, 40955, 41795, 81910, 83590, 106483, 163820, 167180, 212966, 425932, 532415, 1064830, 2129660, 5266813, 10533626, 21067252, 26334065, 52668130, 68468569, 105336260, 136937138, 273874276, 342342845, 684685690, 1369371380]

約数ペア:

[(1, 1369371380), (2, 684685690), (4, 342342845), (5, 273874276), (10, 136937138), (13, 105336260), (20, 68468569), (26, 52668130), (52, 26334065), (65, 21067252), (130, 10533626), (260, 5266813), (643, 2129660), (1286, 1064830), (2572, 532415), (3215, 425932), (6430, 212966), (8191, 167180), (8359, 163820), (12860, 106483), (16382, 83590), (16718, 81910), (32764, 41795), (33436, 40955)]