156945145

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 220340736

約数和(自身を除く): 63395591

約数列:

[1, 5, 7, 35, 71, 137, 355, 461, 497, 685, 959, 2305, 2485, 3227, 4795, 9727, 16135, 32731, 48635, 63157, 68089, 163655, 229117, 315785, 340445, 442099, 1145585, 2210495, 4484147, 22420735, 31389029, 156945145]

約数ペア:

[(1, 156945145), (5, 31389029), (7, 22420735), (35, 4484147), (71, 2210495), (137, 1145585), (355, 442099), (461, 340445), (497, 315785), (685, 229117), (959, 163655), (2305, 68089), (2485, 63157), (3227, 48635), (4795, 32731), (9727, 16135)]