28445526

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 67852800

約数和(自身を除く): 39407274

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 37, 46, 54, 69, 74, 111, 138, 207, 222, 333, 414, 619, 621, 666, 851, 999, 1238, 1242, 1702, 1857, 1998, 2553, 3714, 5106, 5571, 7659, 11142, 14237, 15318, 16713, 22903, 22977, 28474, 33426, 42711, 45806, 45954, 68709, 85422, 128133, 137418, 206127, 256266, 384399, 412254, 526769, 618381, 768798, 1053538, 1236762, 1580307, 3160614, 4740921, 9481842, 14222763, 28445526]

約数ペア:

[(1, 28445526), (2, 14222763), (3, 9481842), (6, 4740921), (9, 3160614), (18, 1580307), (23, 1236762), (27, 1053538), (37, 768798), (46, 618381), (54, 526769), (69, 412254), (74, 384399), (111, 256266), (138, 206127), (207, 137418), (222, 128133), (333, 85422), (414, 68709), (619, 45954), (621, 45806), (666, 42711), (851, 33426), (999, 28474), (1238, 22977), (1242, 22903), (1702, 16713), (1857, 15318), (1998, 14237), (2553, 11142), (3714, 7659), (5106, 5571)]