287717816

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 577843200

約数和(自身を除く): 290125384

約数列:

[1, 2, 4, 8, 29, 43, 58, 86, 116, 151, 172, 191, 232, 302, 344, 382, 604, 764, 1208, 1247, 1528, 2494, 4379, 4988, 5539, 6493, 8213, 8758, 9976, 11078, 12986, 16426, 17516, 22156, 25972, 28841, 32852, 35032, 44312, 51944, 57682, 65704, 115364, 188297, 230728, 238177, 376594, 476354, 753188, 836389, 952708, 1240163, 1506376, 1672778, 1905416, 2480326, 3345556, 4960652, 6691112, 9921304, 35964727, 71929454, 143858908, 287717816]

約数ペア:

[(1, 287717816), (2, 143858908), (4, 71929454), (8, 35964727), (29, 9921304), (43, 6691112), (58, 4960652), (86, 3345556), (116, 2480326), (151, 1905416), (172, 1672778), (191, 1506376), (232, 1240163), (302, 952708), (344, 836389), (382, 753188), (604, 476354), (764, 376594), (1208, 238177), (1247, 230728), (1528, 188297), (2494, 115364), (4379, 65704), (4988, 57682), (5539, 51944), (6493, 44312), (8213, 35032), (8758, 32852), (9976, 28841), (11078, 25972), (12986, 22156), (16426, 17516)]