401215361

素因数分解:

${\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{641}}^1$

素因数の和:1064

約数の個数: 16

約数和(自身を含む): 422877696

約数和(自身を除く): 21662335

約数列:

[1, 31, 61, 331, 641, 1891, 10261, 19871, 20191, 39101, 212171, 625921, 1212131, 6577301, 12942431, 401215361]

約数ペア:

[(1, 401215361), (31, 12942431), (61, 6577301), (331, 1212131), (641, 625921), (1891, 212171), (10261, 39101), (19871, 20191)]