128792388

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{81929}}^1$

素因数の和:82067

約数の個数: 24

約数和(自身を含む): 302813280

約数和(自身を除く): 174020892

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 81929, 163858, 245787, 327716, 491574, 983148, 10732699, 21465398, 32198097, 42930796, 64396194, 128792388]

約数ペア:

[(1, 128792388), (2, 64396194), (3, 42930796), (4, 32198097), (6, 21465398), (12, 10732699), (131, 983148), (262, 491574), (393, 327716), (524, 245787), (786, 163858), (1572, 81929)]