397890240046

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2251}}^1\times {\mathrm{399913}}^1$

素因数の和:402196

約数の個数: 32

約数和(自身を含む): 680858383968

約数和(自身を除く): 282968143922

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 2251, 4502, 29263, 38267, 58526, 76534, 399913, 497471, 799826, 994942, 5198869, 6798521, 10397738, 13597042, 88380773, 176761546, 900204163, 1800408326, 11702654119, 15303470771, 23405308238, 30606941542, 198945120023, 397890240046]

約数ペア:

[(1, 397890240046), (2, 198945120023), (13, 30606941542), (17, 23405308238), (26, 15303470771), (34, 11702654119), (221, 1800408326), (442, 900204163), (2251, 176761546), (4502, 88380773), (29263, 13597042), (38267, 10397738), (58526, 6798521), (76534, 5198869), (399913, 994942), (497471, 799826)]