128214390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{99391}}^1$

素因数の和:99444

約数の個数: 32

約数和(自身を含む): 314873856

約数和(自身を除く): 186659466

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 99391, 198782, 298173, 496955, 596346, 993910, 1490865, 2981730, 4273813, 8547626, 12821439, 21369065, 25642878, 42738130, 64107195, 128214390]

約数ペア:

[(1, 128214390), (2, 64107195), (3, 42738130), (5, 25642878), (6, 21369065), (10, 12821439), (15, 8547626), (30, 4273813), (43, 2981730), (86, 1490865), (129, 993910), (215, 596346), (258, 496955), (430, 298173), (645, 198782), (1290, 99391)]