215881458

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:232

約数の個数: 128

約数和(自身を含む): 522977280

約数和(自身を除く): 307095822

約数列:

[1, 2, 3, 6, 13, 19, 26, 31, 37, 38, 39, 57, 62, 74, 78, 93, 111, 114, 127, 186, 222, 247, 254, 381, 403, 481, 494, 589, 703, 741, 762, 806, 962, 1147, 1178, 1209, 1406, 1443, 1482, 1651, 1767, 2109, 2294, 2413, 2418, 2886, 3302, 3441, 3534, 3937, 4218, 4699, 4826, 4953, 6882, 7239, 7657, 7874, 9139, 9398, 9906, 11811, 14097, 14478, 14911, 15314, 18278, 21793, 22971, 23622, 27417, 28194, 29822, 31369, 43586, 44733, 45942, 51181, 54834, 61087, 62738, 65379, 74803, 89281, 89466, 94107, 102362, 122174, 130758, 145669, 149606, 153543, 178562, 183261, 188214, 224409, 267843, 283309, 291338, 307086, 366522, 437007, 448818, 535686, 566618, 849927, 874014, 972439, 1160653, 1699854, 1893697, 1944878, 2321306, 2767711, 2917317, 3481959, 3787394, 5535422, 5681091, 5834634, 6963918, 8303133, 11362182, 16606266, 35980243, 71960486, 107940729, 215881458]

約数ペア:

[(1, 215881458), (2, 107940729), (3, 71960486), (6, 35980243), (13, 16606266), (19, 11362182), (26, 8303133), (31, 6963918), (37, 5834634), (38, 5681091), (39, 5535422), (57, 3787394), (62, 3481959), (74, 2917317), (78, 2767711), (93, 2321306), (111, 1944878), (114, 1893697), (127, 1699854), (186, 1160653), (222, 972439), (247, 874014), (254, 849927), (381, 566618), (403, 535686), (481, 448818), (494, 437007), (589, 366522), (703, 307086), (741, 291338), (762, 283309), (806, 267843), (962, 224409), (1147, 188214), (1178, 183261), (1209, 178562), (1406, 153543), (1443, 149606), (1482, 145669), (1651, 130758), (1767, 122174), (2109, 102362), (2294, 94107), (2413, 89466), (2418, 89281), (2886, 74803), (3302, 65379), (3441, 62738), (3534, 61087), (3937, 54834), (4218, 51181), (4699, 45942), (4826, 44733), (4953, 43586), (6882, 31369), (7239, 29822), (7657, 28194), (7874, 27417), (9139, 23622), (9398, 22971), (9906, 21793), (11811, 18278), (14097, 15314), (14478, 14911)]