28252726593

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{6977}}^1$

素因数の和:7183

約数の個数: 72

約数和(自身を含む): 47748611808

約数和(自身を除く): 19495885215

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 163, 169, 273, 489, 507, 637, 1141, 1183, 1911, 2119, 3423, 3549, 6357, 6977, 7987, 8281, 14833, 20931, 23961, 24843, 27547, 44499, 48839, 82641, 90701, 103831, 146517, 192829, 272103, 311493, 341873, 578487, 634907, 1025619, 1137251, 1179113, 1349803, 1904721, 3411753, 3537339, 4049409, 4444349, 7960757, 8253791, 13333047, 14784263, 23882271, 24761373, 44352789, 55725299, 57776537, 103489841, 167175897, 173329611, 192195419, 310469523, 576586257, 724428887, 1345367933, 2173286661, 4036103799, 9417575531, 28252726593]

約数ペア:

[(1, 28252726593), (3, 9417575531), (7, 4036103799), (13, 2173286661), (21, 1345367933), (39, 724428887), (49, 576586257), (91, 310469523), (147, 192195419), (163, 173329611), (169, 167175897), (273, 103489841), (489, 57776537), (507, 55725299), (637, 44352789), (1141, 24761373), (1183, 23882271), (1911, 14784263), (2119, 13333047), (3423, 8253791), (3549, 7960757), (6357, 4444349), (6977, 4049409), (7987, 3537339), (8281, 3411753), (14833, 1904721), (20931, 1349803), (23961, 1179113), (24843, 1137251), (27547, 1025619), (44499, 634907), (48839, 578487), (82641, 341873), (90701, 311493), (103831, 272103), (146517, 192829)]