531821015

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 707814720

約数和(自身を除く): 175993705

約数列:

[1, 5, 11, 55, 121, 157, 509, 605, 785, 1331, 1727, 2545, 5599, 6655, 8635, 18997, 27995, 61589, 79913, 94985, 208967, 307945, 399565, 677479, 879043, 1044835, 3387395, 4395215, 9669473, 48347365, 106364203, 531821015]

約数ペア:

[(1, 531821015), (5, 106364203), (11, 48347365), (55, 9669473), (121, 4395215), (157, 3387395), (509, 1044835), (605, 879043), (785, 677479), (1331, 399565), (1727, 307945), (2545, 208967), (5599, 94985), (6655, 79913), (8635, 61589), (18997, 27995)]