215948642

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 423118080

約数和(自身を除く): 207169438

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 197, 247, 266, 317, 394, 494, 634, 1379, 1729, 2219, 2561, 2758, 3458, 3743, 4121, 4438, 5122, 6023, 7486, 8242, 12046, 17927, 26201, 28847, 35854, 42161, 48659, 52402, 57694, 62449, 78299, 84322, 97318, 124898, 156598, 340613, 437143, 548093, 681226, 811837, 874286, 1096186, 1186531, 1623674, 2373062, 5682859, 8305717, 11365718, 15424903, 16611434, 30849806, 107974321, 215948642]

約数ペア:

[(1, 215948642), (2, 107974321), (7, 30849806), (13, 16611434), (14, 15424903), (19, 11365718), (26, 8305717), (38, 5682859), (91, 2373062), (133, 1623674), (182, 1186531), (197, 1096186), (247, 874286), (266, 811837), (317, 681226), (394, 548093), (494, 437143), (634, 340613), (1379, 156598), (1729, 124898), (2219, 97318), (2561, 84322), (2758, 78299), (3458, 62449), (3743, 57694), (4121, 52402), (4438, 48659), (5122, 42161), (6023, 35854), (7486, 28847), (8242, 26201), (12046, 17927)]