216389328

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:885

約数の個数: 120

約数和(自身を含む): 625837920

約数和(自身を除く): 409448592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 34, 38, 48, 51, 57, 68, 76, 102, 114, 136, 152, 204, 228, 272, 289, 304, 323, 408, 456, 578, 646, 816, 821, 867, 912, 969, 1156, 1292, 1642, 1734, 1938, 2312, 2463, 2584, 3284, 3468, 3876, 4624, 4926, 5168, 5491, 6568, 6936, 7752, 9852, 10982, 13136, 13872, 13957, 15504, 15599, 16473, 19704, 21964, 27914, 31198, 32946, 39408, 41871, 43928, 46797, 55828, 62396, 65892, 83742, 87856, 93594, 111656, 124792, 131784, 167484, 187188, 223312, 237269, 249584, 263568, 265183, 334968, 374376, 474538, 530366, 669936, 711807, 748752, 795549, 949076, 1060732, 1423614, 1591098, 1898152, 2121464, 2847228, 3182196, 3796304, 4242928, 4508111, 5694456, 6364392, 9016222, 11388912, 12728784, 13524333, 18032444, 27048666, 36064888, 54097332, 72129776, 108194664, 216389328]

約数ペア:

[(1, 216389328), (2, 108194664), (3, 72129776), (4, 54097332), (6, 36064888), (8, 27048666), (12, 18032444), (16, 13524333), (17, 12728784), (19, 11388912), (24, 9016222), (34, 6364392), (38, 5694456), (48, 4508111), (51, 4242928), (57, 3796304), (68, 3182196), (76, 2847228), (102, 2121464), (114, 1898152), (136, 1591098), (152, 1423614), (204, 1060732), (228, 949076), (272, 795549), (289, 748752), (304, 711807), (323, 669936), (408, 530366), (456, 474538), (578, 374376), (646, 334968), (816, 265183), (821, 263568), (867, 249584), (912, 237269), (969, 223312), (1156, 187188), (1292, 167484), (1642, 131784), (1734, 124792), (1938, 111656), (2312, 93594), (2463, 87856), (2584, 83742), (3284, 65892), (3468, 62396), (3876, 55828), (4624, 46797), (4926, 43928), (5168, 41871), (5491, 39408), (6568, 32946), (6936, 31198), (7752, 27914), (9852, 21964), (10982, 19704), (13136, 16473), (13872, 15599), (13957, 15504)]