2912989820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{167221}}^1$

素因数の和:167310

約数の個数: 48

約数和(自身を含む): 6686204448

約数和(自身を除く): 3773214628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 4355, 8710, 17420, 167221, 334442, 668884, 836105, 1672210, 2173873, 3344420, 4347746, 8695492, 10869365, 11203807, 21738730, 22407614, 43477460, 44815228, 56019035, 112038070, 145649491, 224076140, 291298982, 582597964, 728247455, 1456494910, 2912989820]

約数ペア:

[(1, 2912989820), (2, 1456494910), (4, 728247455), (5, 582597964), (10, 291298982), (13, 224076140), (20, 145649491), (26, 112038070), (52, 56019035), (65, 44815228), (67, 43477460), (130, 22407614), (134, 21738730), (260, 11203807), (268, 10869365), (335, 8695492), (670, 4347746), (871, 3344420), (1340, 2173873), (1742, 1672210), (3484, 836105), (4355, 668884), (8710, 334442), (17420, 167221)]