64989815795

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3121}}^1\times {\mathrm{4211}}^1$

素因数の和:7403

約数の個数: 32

約数和(自身を含む): 83317538304

約数和(自身を除く): 18327722509

約数列:

[1, 5, 23, 43, 115, 215, 989, 3121, 4211, 4945, 15605, 21055, 71783, 96853, 134203, 181073, 358915, 484265, 671015, 905365, 3086669, 4164679, 13142531, 15433345, 20823395, 65712655, 302278213, 565128833, 1511391065, 2825644165, 12997963159, 64989815795]

約数ペア:

[(1, 64989815795), (5, 12997963159), (23, 2825644165), (43, 1511391065), (115, 565128833), (215, 302278213), (989, 65712655), (3121, 20823395), (4211, 15433345), (4945, 13142531), (15605, 4164679), (21055, 3086669), (71783, 905365), (96853, 671015), (134203, 484265), (181073, 358915)]