16784144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:208

約数の個数: 80

約数和(自身を含む): 38330880

約数和(自身を除く): 21546736

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 137, 152, 208, 247, 248, 274, 304, 403, 494, 496, 548, 589, 806, 988, 1096, 1178, 1612, 1781, 1976, 2192, 2356, 2603, 3224, 3562, 3952, 4247, 4712, 5206, 6448, 7124, 7657, 8494, 9424, 10412, 14248, 15314, 16988, 20824, 28496, 30628, 33839, 33976, 41648, 55211, 61256, 67678, 67952, 80693, 110422, 122512, 135356, 161386, 220844, 270712, 322772, 441688, 541424, 645544, 883376, 1049009, 1291088, 2098018, 4196036, 8392072, 16784144]

約数ペア:

[(1, 16784144), (2, 8392072), (4, 4196036), (8, 2098018), (13, 1291088), (16, 1049009), (19, 883376), (26, 645544), (31, 541424), (38, 441688), (52, 322772), (62, 270712), (76, 220844), (104, 161386), (124, 135356), (137, 122512), (152, 110422), (208, 80693), (247, 67952), (248, 67678), (274, 61256), (304, 55211), (403, 41648), (494, 33976), (496, 33839), (548, 30628), (589, 28496), (806, 20824), (988, 16988), (1096, 15314), (1178, 14248), (1612, 10412), (1781, 9424), (1976, 8494), (2192, 7657), (2356, 7124), (2603, 6448), (3224, 5206), (3562, 4712), (3952, 4247)]