209018368

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1013}}^1$

素因数の和:1075

約数の個数: 80

約数和(自身を含む): 464720256

約数和(自身を除く): 255701888

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 806, 832, 992, 1013, 1612, 1664, 1984, 2026, 3224, 3328, 3968, 4052, 6448, 6656, 7936, 8104, 12896, 13169, 15872, 16208, 25792, 26338, 31403, 32416, 51584, 52676, 62806, 64832, 103168, 105352, 125612, 129664, 206336, 210704, 251224, 259328, 408239, 421408, 502448, 518656, 816478, 842816, 1004896, 1632956, 1685632, 2009792, 3265912, 3371264, 4019584, 6531824, 6742528, 8039168, 13063648, 16078336, 26127296, 52254592, 104509184, 209018368]

約数ペア:

[(1, 209018368), (2, 104509184), (4, 52254592), (8, 26127296), (13, 16078336), (16, 13063648), (26, 8039168), (31, 6742528), (32, 6531824), (52, 4019584), (62, 3371264), (64, 3265912), (104, 2009792), (124, 1685632), (128, 1632956), (208, 1004896), (248, 842816), (256, 816478), (403, 518656), (416, 502448), (496, 421408), (512, 408239), (806, 259328), (832, 251224), (992, 210704), (1013, 206336), (1612, 129664), (1664, 125612), (1984, 105352), (2026, 103168), (3224, 64832), (3328, 62806), (3968, 52676), (4052, 51584), (6448, 32416), (6656, 31403), (7936, 26338), (8104, 25792), (12896, 16208), (13169, 15872)]