645294715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{91079}}^1$

素因数の和:91206

約数の個数: 16

約数和(自身を含む): 841579200

約数和(自身を除く): 196284485

約数列:

[1, 5, 13, 65, 109, 545, 1417, 7085, 91079, 455395, 1184027, 5920135, 9927611, 49638055, 129058943, 645294715]

約数ペア:

[(1, 645294715), (5, 129058943), (13, 49638055), (65, 9927611), (109, 5920135), (545, 1184027), (1417, 455395), (7085, 91079)]