215254638

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{863}}^1$

素因数の和:1054

約数の個数: 64

約数和(自身を含む): 497664000

約数和(自身を除く): 282409362

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 149, 186, 279, 298, 447, 558, 837, 863, 894, 1341, 1674, 1726, 2589, 2682, 4023, 4619, 5178, 7767, 8046, 9238, 13857, 15534, 23301, 26753, 27714, 41571, 46602, 53506, 80259, 83142, 124713, 128587, 160518, 240777, 249426, 257174, 385761, 481554, 722331, 771522, 1157283, 1444662, 2314566, 3471849, 3986197, 6943698, 7972394, 11958591, 23917182, 35875773, 71751546, 107627319, 215254638]

約数ペア:

[(1, 215254638), (2, 107627319), (3, 71751546), (6, 35875773), (9, 23917182), (18, 11958591), (27, 7972394), (31, 6943698), (54, 3986197), (62, 3471849), (93, 2314566), (149, 1444662), (186, 1157283), (279, 771522), (298, 722331), (447, 481554), (558, 385761), (837, 257174), (863, 249426), (894, 240777), (1341, 160518), (1674, 128587), (1726, 124713), (2589, 83142), (2682, 80259), (4023, 53506), (4619, 46602), (5178, 41571), (7767, 27714), (8046, 26753), (9238, 23301), (13857, 15534)]