87998974

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{509}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 154664640

約数和(自身を除く): 66665666

約数列:

[1, 2, 7, 14, 53, 106, 233, 371, 466, 509, 742, 1018, 1631, 3262, 3563, 7126, 12349, 24698, 26977, 53954, 86443, 118597, 172886, 188839, 237194, 377678, 830179, 1660358, 6285641, 12571282, 43999487, 87998974]

約数ペア:

[(1, 87998974), (2, 43999487), (7, 12571282), (14, 6285641), (53, 1660358), (106, 830179), (233, 377678), (371, 237194), (466, 188839), (509, 172886), (742, 118597), (1018, 86443), (1631, 53954), (3262, 26977), (3563, 24698), (7126, 12349)]