75884991

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 134120448

約数和(自身を除く): 58235457

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 83, 91, 119, 197, 221, 249, 273, 357, 581, 591, 663, 1079, 1379, 1411, 1547, 1743, 2561, 3237, 3349, 4137, 4233, 4641, 7553, 7683, 9877, 10047, 16351, 17927, 18343, 22659, 23443, 29631, 43537, 49053, 53781, 55029, 70329, 114457, 128401, 130611, 212563, 277967, 304759, 343371, 385203, 637689, 833901, 914277, 1487941, 1945769, 3613571, 4463823, 5837307, 10840713, 25294997, 75884991]

約数ペア:

[(1, 75884991), (3, 25294997), (7, 10840713), (13, 5837307), (17, 4463823), (21, 3613571), (39, 1945769), (51, 1487941), (83, 914277), (91, 833901), (119, 637689), (197, 385203), (221, 343371), (249, 304759), (273, 277967), (357, 212563), (581, 130611), (591, 128401), (663, 114457), (1079, 70329), (1379, 55029), (1411, 53781), (1547, 49053), (1743, 43537), (2561, 29631), (3237, 23443), (3349, 22659), (4137, 18343), (4233, 17927), (4641, 16351), (7553, 10047), (7683, 9877)]