397960516802

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{156308137}}^1$

素因数の和:156308225

約数の個数: 16

約数和(自身を含む): 637737203040

約数和(自身を除く): 239776686238

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 156308137, 312616274, 2969854603, 5939709206, 10472645179, 20945290358, 198980258401, 397960516802]

約数ペア:

[(1, 397960516802), (2, 198980258401), (19, 20945290358), (38, 10472645179), (67, 5939709206), (134, 2969854603), (1273, 312616274), (2546, 156308137)]