51602005

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 82575360

約数和(自身を除く): 30973355

約数列:

[1, 5, 7, 13, 19, 35, 47, 65, 91, 95, 127, 133, 235, 247, 329, 455, 611, 635, 665, 889, 893, 1235, 1645, 1651, 1729, 2413, 3055, 4277, 4445, 4465, 5969, 6251, 8255, 8645, 11557, 11609, 12065, 16891, 21385, 29845, 31255, 31369, 41783, 57785, 58045, 77597, 81263, 84455, 113411, 156845, 208915, 219583, 387985, 406315, 543179, 567055, 793877, 1097915, 1474343, 2715895, 3969385, 7371715, 10320401, 51602005]

約数ペア:

[(1, 51602005), (5, 10320401), (7, 7371715), (13, 3969385), (19, 2715895), (35, 1474343), (47, 1097915), (65, 793877), (91, 567055), (95, 543179), (127, 406315), (133, 387985), (235, 219583), (247, 208915), (329, 156845), (455, 113411), (611, 84455), (635, 81263), (665, 77597), (889, 58045), (893, 57785), (1235, 41783), (1645, 31369), (1651, 31255), (1729, 29845), (2413, 21385), (3055, 16891), (4277, 12065), (4445, 11609), (4465, 11557), (5969, 8645), (6251, 8255)]