155431894

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{487}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 253681920

約数和(自身を除く): 98250026

約数列:

[1, 2, 19, 37, 38, 74, 227, 454, 487, 703, 974, 1406, 4313, 8399, 8626, 9253, 16798, 18019, 18506, 36038, 110549, 159581, 221098, 319162, 342361, 684722, 2100431, 4090313, 4200862, 8180626, 77715947, 155431894]

約数ペア:

[(1, 155431894), (2, 77715947), (19, 8180626), (37, 4200862), (38, 4090313), (74, 2100431), (227, 684722), (454, 342361), (487, 319162), (703, 221098), (974, 159581), (1406, 110549), (4313, 36038), (8399, 18506), (8626, 18019), (9253, 16798)]