399156766

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 634023936

約数和(自身を除く): 234867170

約数列:

[1, 2, 23, 46, 181, 191, 251, 362, 382, 502, 4163, 4393, 5773, 8326, 8786, 11546, 34571, 45431, 47941, 69142, 90862, 95882, 795133, 1044913, 1102643, 1590266, 2089826, 2205286, 8677321, 17354642, 199578383, 399156766]

約数ペア:

[(1, 399156766), (2, 199578383), (23, 17354642), (46, 8677321), (181, 2205286), (191, 2089826), (251, 1590266), (362, 1102643), (382, 1044913), (502, 795133), (4163, 95882), (4393, 90862), (5773, 69142), (8326, 47941), (8786, 45431), (11546, 34571)]