402492013

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{21871}}^1$

素因数の和:22128

約数の個数: 16

約数和(自身を含む): 503930880

約数和(自身を除く): 101438867

約数列:

[1, 7, 11, 77, 239, 1673, 2629, 18403, 21871, 153097, 240581, 1684067, 5227169, 36590183, 57498859, 402492013]

約数ペア:

[(1, 402492013), (7, 57498859), (11, 36590183), (77, 5227169), (239, 1684067), (1673, 240581), (2629, 153097), (18403, 21871)]