287137030

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{128761}}^1$

素因数の和:128991

約数の個数: 16

約数和(自身を含む): 519168384

約数和(自身を除く): 232031354

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 128761, 257522, 643805, 1287610, 28713703, 57427406, 143568515, 287137030]

約数ペア:

[(1, 287137030), (2, 143568515), (5, 57427406), (10, 28713703), (223, 1287610), (446, 643805), (1115, 257522), (2230, 128761)]