128440942

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 238878720

約数和(自身を除く): 110437778

約数列:

[1, 2, 7, 14, 29, 47, 53, 58, 94, 106, 127, 203, 254, 329, 371, 406, 658, 742, 889, 1363, 1537, 1778, 2491, 2726, 3074, 3683, 4982, 5969, 6731, 7366, 9541, 10759, 11938, 13462, 17437, 19082, 21518, 25781, 34874, 41783, 47117, 51562, 72239, 83566, 94234, 144478, 173101, 195199, 316357, 346202, 390398, 505673, 632714, 1011346, 1211707, 1366393, 2214499, 2423414, 2732786, 4428998, 9174353, 18348706, 64220471, 128440942]

約数ペア:

[(1, 128440942), (2, 64220471), (7, 18348706), (14, 9174353), (29, 4428998), (47, 2732786), (53, 2423414), (58, 2214499), (94, 1366393), (106, 1211707), (127, 1011346), (203, 632714), (254, 505673), (329, 390398), (371, 346202), (406, 316357), (658, 195199), (742, 173101), (889, 144478), (1363, 94234), (1537, 83566), (1778, 72239), (2491, 51562), (2726, 47117), (3074, 41783), (3683, 34874), (4982, 25781), (5969, 21518), (6731, 19082), (7366, 17437), (9541, 13462), (10759, 11938)]