28215756

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 78650880

約数和(自身を除く): 50435124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 37, 46, 54, 69, 74, 92, 108, 111, 138, 148, 207, 222, 276, 307, 333, 414, 444, 614, 621, 666, 828, 851, 921, 999, 1228, 1242, 1332, 1702, 1842, 1998, 2484, 2553, 2763, 3404, 3684, 3996, 5106, 5526, 7061, 7659, 8289, 10212, 11052, 11359, 14122, 15318, 16578, 21183, 22718, 22977, 28244, 30636, 33156, 34077, 42366, 45436, 45954, 63549, 68154, 84732, 91908, 102231, 127098, 136308, 190647, 204462, 254196, 261257, 306693, 381294, 408924, 522514, 613386, 762588, 783771, 1045028, 1226772, 1567542, 2351313, 3135084, 4702626, 7053939, 9405252, 14107878, 28215756]

約数ペア:

[(1, 28215756), (2, 14107878), (3, 9405252), (4, 7053939), (6, 4702626), (9, 3135084), (12, 2351313), (18, 1567542), (23, 1226772), (27, 1045028), (36, 783771), (37, 762588), (46, 613386), (54, 522514), (69, 408924), (74, 381294), (92, 306693), (108, 261257), (111, 254196), (138, 204462), (148, 190647), (207, 136308), (222, 127098), (276, 102231), (307, 91908), (333, 84732), (414, 68154), (444, 63549), (614, 45954), (621, 45436), (666, 42366), (828, 34077), (851, 33156), (921, 30636), (999, 28244), (1228, 22977), (1242, 22718), (1332, 21183), (1702, 16578), (1842, 15318), (1998, 14122), (2484, 11359), (2553, 11052), (2763, 10212), (3404, 8289), (3684, 7659), (3996, 7061), (5106, 5526)]