68641648

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{252359}}^1$

素因数の和:252384

約数の個数: 20

約数和(自身を含む): 140816880

約数和(自身を除く): 72175232

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 252359, 504718, 1009436, 2018872, 4037744, 4290103, 8580206, 17160412, 34320824, 68641648]

約数ペア:

[(1, 68641648), (2, 34320824), (4, 17160412), (8, 8580206), (16, 4290103), (17, 4037744), (34, 2018872), (68, 1009436), (136, 504718), (272, 252359)]