259913464

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{19213}}^1$

素因数の和:19327

約数の個数: 32

約数和(自身を含む): 518778000

約数和(自身を除く): 258864536

約数列:

[1, 2, 4, 8, 19, 38, 76, 89, 152, 178, 356, 712, 1691, 3382, 6764, 13528, 19213, 38426, 76852, 153704, 365047, 730094, 1460188, 1709957, 2920376, 3419914, 6839828, 13679656, 32489183, 64978366, 129956732, 259913464]

約数ペア:

[(1, 259913464), (2, 129956732), (4, 64978366), (8, 32489183), (19, 13679656), (38, 6839828), (76, 3419914), (89, 2920376), (152, 1709957), (178, 1460188), (356, 730094), (712, 365047), (1691, 153704), (3382, 76852), (6764, 38426), (13528, 19213)]