215683758

素因数分解:

$2^1\times 3^2\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{587}}^1$

素因数の和:881

約数の個数: 48

約数和(自身を含む): 474692400

約数和(自身を除く): 259008642

約数列:

[1, 2, 3, 6, 9, 18, 137, 149, 274, 298, 411, 447, 587, 822, 894, 1174, 1233, 1341, 1761, 2466, 2682, 3522, 5283, 10566, 20413, 40826, 61239, 80419, 87463, 122478, 160838, 174926, 183717, 241257, 262389, 367434, 482514, 524778, 723771, 787167, 1447542, 1574334, 11982431, 23964862, 35947293, 71894586, 107841879, 215683758]

約数ペア:

[(1, 215683758), (2, 107841879), (3, 71894586), (6, 35947293), (9, 23964862), (18, 11982431), (137, 1574334), (149, 1447542), (274, 787167), (298, 723771), (411, 524778), (447, 482514), (587, 367434), (822, 262389), (894, 241257), (1174, 183717), (1233, 174926), (1341, 160838), (1761, 122478), (2466, 87463), (2682, 80419), (3522, 61239), (5283, 40826), (10566, 20413)]