28638954

素因数分解:

$2^1\times 3^3\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 66096000

約数和(自身を除く): 37457046

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 59, 89, 101, 118, 177, 178, 202, 267, 303, 354, 531, 534, 606, 801, 909, 1062, 1593, 1602, 1818, 2403, 2727, 3186, 4806, 5251, 5454, 5959, 8989, 10502, 11918, 15753, 17877, 17978, 26967, 31506, 35754, 47259, 53631, 53934, 80901, 94518, 107262, 141777, 160893, 161802, 242703, 283554, 321786, 485406, 530351, 1060702, 1591053, 3182106, 4773159, 9546318, 14319477, 28638954]

約数ペア:

[(1, 28638954), (2, 14319477), (3, 9546318), (6, 4773159), (9, 3182106), (18, 1591053), (27, 1060702), (54, 530351), (59, 485406), (89, 321786), (101, 283554), (118, 242703), (177, 161802), (178, 160893), (202, 141777), (267, 107262), (303, 94518), (354, 80901), (531, 53934), (534, 53631), (606, 47259), (801, 35754), (909, 31506), (1062, 26967), (1593, 17978), (1602, 17877), (1818, 15753), (2403, 11918), (2727, 10502), (3186, 8989), (4806, 5959), (5251, 5454)]