551813990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{86627}}^1$

素因数の和:86661

約数の個数: 48

約数和(自身を含む): 1244324592

約数和(自身を除く): 692510602

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 86627, 173254, 433135, 606389, 866270, 1126151, 1212778, 2252302, 3031945, 4244723, 5630755, 6063890, 7883057, 8489446, 11261510, 15766114, 21223615, 39415285, 42447230, 55181399, 78830570, 110362798, 275906995, 551813990]

約数ペア:

[(1, 551813990), (2, 275906995), (5, 110362798), (7, 78830570), (10, 55181399), (13, 42447230), (14, 39415285), (26, 21223615), (35, 15766114), (49, 11261510), (65, 8489446), (70, 7883057), (91, 6063890), (98, 5630755), (130, 4244723), (182, 3031945), (245, 2252302), (455, 1212778), (490, 1126151), (637, 866270), (910, 606389), (1274, 433135), (3185, 173254), (6370, 86627)]