1279904

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 48

約数和(自身を含む): 2757888

約数和(自身を除く): 1477984

約数列:

[1, 2, 4, 8, 16, 23, 32, 37, 46, 47, 74, 92, 94, 148, 184, 188, 296, 368, 376, 592, 736, 752, 851, 1081, 1184, 1504, 1702, 1739, 2162, 3404, 3478, 4324, 6808, 6956, 8648, 13616, 13912, 17296, 27232, 27824, 34592, 39997, 55648, 79994, 159988, 319976, 639952, 1279904]

約数ペア:

[(1, 1279904), (2, 639952), (4, 319976), (8, 159988), (16, 79994), (23, 55648), (32, 39997), (37, 34592), (46, 27824), (47, 27232), (74, 17296), (92, 13912), (94, 13616), (148, 8648), (184, 6956), (188, 6808), (296, 4324), (368, 3478), (376, 3404), (592, 2162), (736, 1739), (752, 1702), (851, 1504), (1081, 1184)]