128514430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{2399}}^1$

素因数の和:2904

約数の個数: 32

約数和(自身を含む): 252979200

約数和(自身を除く): 124464770

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 487, 974, 2399, 2435, 4798, 4870, 5357, 10714, 11995, 23990, 26389, 26785, 52778, 53570, 131945, 263890, 1168313, 2336626, 5841565, 11683130, 12851443, 25702886, 64257215, 128514430]

約数ペア:

[(1, 128514430), (2, 64257215), (5, 25702886), (10, 12851443), (11, 11683130), (22, 5841565), (55, 2336626), (110, 1168313), (487, 263890), (974, 131945), (2399, 53570), (2435, 52778), (4798, 26785), (4870, 26389), (5357, 23990), (10714, 11995)]