408974306

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1\times {\mathrm{461}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 669438000

約数和(自身を除く): 260463694

約数列:

[1, 2, 13, 26, 149, 229, 298, 458, 461, 922, 1937, 2977, 3874, 5954, 5993, 11986, 34121, 68242, 68689, 105569, 137378, 211138, 443573, 887146, 892957, 1372397, 1785914, 2744794, 15729781, 31459562, 204487153, 408974306]

約数ペア:

[(1, 408974306), (2, 204487153), (13, 31459562), (26, 15729781), (149, 2744794), (229, 1785914), (298, 1372397), (458, 892957), (461, 887146), (922, 443573), (1937, 211138), (2977, 137378), (3874, 105569), (5954, 68689), (5993, 68242), (11986, 34121)]