201019715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1171}}^1$

素因数の和:1347

約数の個数: 32

約数和(自身を含む): 275654400

約数和(自身を除く): 74634685

約数列:

[1, 5, 13, 19, 65, 95, 139, 247, 695, 1171, 1235, 1807, 2641, 5855, 9035, 13205, 15223, 22249, 34333, 76115, 111245, 162769, 171665, 289237, 813845, 1446185, 2115997, 3092611, 10579985, 15463055, 40203943, 201019715]

約数ペア:

[(1, 201019715), (5, 40203943), (13, 15463055), (19, 10579985), (65, 3092611), (95, 2115997), (139, 1446185), (247, 813845), (695, 289237), (1171, 171665), (1235, 162769), (1807, 111245), (2641, 76115), (5855, 34333), (9035, 22249), (13205, 15223)]