1215243985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{7753}}^1$

素因数の和:7857

約数の個数: 32

約数和(自身を含む): 1607869440

約数和(自身を除く): 392625455

約数列:

[1, 5, 23, 29, 47, 115, 145, 235, 667, 1081, 1363, 3335, 5405, 6815, 7753, 31349, 38765, 156745, 178319, 224837, 364391, 891595, 1124185, 1821955, 5171251, 8380993, 10567339, 25856255, 41904965, 52836695, 243048797, 1215243985]

約数ペア:

[(1, 1215243985), (5, 243048797), (23, 52836695), (29, 41904965), (47, 25856255), (115, 10567339), (145, 8380993), (235, 5171251), (667, 1821955), (1081, 1124185), (1363, 891595), (3335, 364391), (5405, 224837), (6815, 178319), (7753, 156745), (31349, 38765)]