81174004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{28867}}^1$

素因数の和:28927

約数の個数: 24

約数和(自身を含む): 153577760

約数和(自身を除く): 72403756

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 28867, 57734, 115468, 548473, 1068079, 1096946, 2136158, 2193892, 4272316, 20293501, 40587002, 81174004]

約数ペア:

[(1, 81174004), (2, 40587002), (4, 20293501), (19, 4272316), (37, 2193892), (38, 2136158), (74, 1096946), (76, 1068079), (148, 548473), (703, 115468), (1406, 57734), (2812, 28867)]