71916904

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 137031840

約数和(自身を除く): 65114936

約数列:

[1, 2, 4, 8, 131, 163, 262, 326, 421, 524, 652, 842, 1048, 1304, 1684, 3368, 21353, 42706, 55151, 68623, 85412, 110302, 137246, 170824, 220604, 274492, 441208, 548984, 8989613, 17979226, 35958452, 71916904]

約数ペア:

[(1, 71916904), (2, 35958452), (4, 17979226), (8, 8989613), (131, 548984), (163, 441208), (262, 274492), (326, 220604), (421, 170824), (524, 137246), (652, 110302), (842, 85412), (1048, 68623), (1304, 55151), (1684, 42706), (3368, 21353)]