128945328

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{65521}}^1$

素因数の和:65573

約数の個数: 40

約数和(自身を含む): 341238576

約数和(自身を除く): 212293248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 65521, 131042, 196563, 262084, 393126, 524168, 786252, 1048336, 1572504, 2686361, 3145008, 5372722, 8059083, 10745444, 16118166, 21490888, 32236332, 42981776, 64472664, 128945328]

約数ペア:

[(1, 128945328), (2, 64472664), (3, 42981776), (4, 32236332), (6, 21490888), (8, 16118166), (12, 10745444), (16, 8059083), (24, 5372722), (41, 3145008), (48, 2686361), (82, 1572504), (123, 1048336), (164, 786252), (246, 524168), (328, 393126), (492, 262084), (656, 196563), (984, 131042), (1968, 65521)]