261601428

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{613}}^1$

素因数の和:745

約数の個数: 96

約数和(自身を含む): 690705792

約数和(自身を除く): 429104364

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 53, 61, 66, 106, 122, 132, 159, 183, 212, 244, 318, 366, 583, 613, 636, 671, 732, 1166, 1226, 1342, 1749, 1839, 2013, 2332, 2452, 2684, 3233, 3498, 3678, 4026, 6466, 6743, 6996, 7356, 8052, 9699, 12932, 13486, 19398, 20229, 26972, 32489, 35563, 37393, 38796, 40458, 64978, 71126, 74786, 80916, 97467, 106689, 112179, 129956, 142252, 149572, 194934, 213378, 224358, 357379, 389868, 411323, 426756, 448716, 714758, 822646, 1072137, 1233969, 1429516, 1645292, 1981829, 2144274, 2467938, 3963658, 4288548, 4935876, 5945487, 7927316, 11890974, 21800119, 23781948, 43600238, 65400357, 87200476, 130800714, 261601428]

約数ペア:

[(1, 261601428), (2, 130800714), (3, 87200476), (4, 65400357), (6, 43600238), (11, 23781948), (12, 21800119), (22, 11890974), (33, 7927316), (44, 5945487), (53, 4935876), (61, 4288548), (66, 3963658), (106, 2467938), (122, 2144274), (132, 1981829), (159, 1645292), (183, 1429516), (212, 1233969), (244, 1072137), (318, 822646), (366, 714758), (583, 448716), (613, 426756), (636, 411323), (671, 389868), (732, 357379), (1166, 224358), (1226, 213378), (1342, 194934), (1749, 149572), (1839, 142252), (2013, 129956), (2332, 112179), (2452, 106689), (2684, 97467), (3233, 80916), (3498, 74786), (3678, 71126), (4026, 64978), (6466, 40458), (6743, 38796), (6996, 37393), (7356, 35563), (8052, 32489), (9699, 26972), (12932, 20229), (13486, 19398)]