217816416

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^2\times {\mathrm{787}}^1$

素因数の和:865

約数の個数: 108

約数和(自身を含む): 640854396

約数和(自身を除く): 423037980

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 787, 961, 992, 1116, 1488, 1574, 1922, 2232, 2361, 2883, 2976, 3148, 3844, 4464, 4722, 5766, 6296, 7083, 7688, 8649, 8928, 9444, 11532, 12592, 14166, 15376, 17298, 18888, 23064, 24397, 25184, 28332, 30752, 34596, 37776, 46128, 48794, 56664, 69192, 73191, 75552, 92256, 97588, 113328, 138384, 146382, 195176, 219573, 226656, 276768, 292764, 390352, 439146, 585528, 756307, 780704, 878292, 1171056, 1512614, 1756584, 2268921, 2342112, 3025228, 3513168, 4537842, 6050456, 6806763, 7026336, 9075684, 12100912, 13613526, 18151368, 24201824, 27227052, 36302736, 54454104, 72605472, 108908208, 217816416]

約数ペア:

[(1, 217816416), (2, 108908208), (3, 72605472), (4, 54454104), (6, 36302736), (8, 27227052), (9, 24201824), (12, 18151368), (16, 13613526), (18, 12100912), (24, 9075684), (31, 7026336), (32, 6806763), (36, 6050456), (48, 4537842), (62, 3513168), (72, 3025228), (93, 2342112), (96, 2268921), (124, 1756584), (144, 1512614), (186, 1171056), (248, 878292), (279, 780704), (288, 756307), (372, 585528), (496, 439146), (558, 390352), (744, 292764), (787, 276768), (961, 226656), (992, 219573), (1116, 195176), (1488, 146382), (1574, 138384), (1922, 113328), (2232, 97588), (2361, 92256), (2883, 75552), (2976, 73191), (3148, 69192), (3844, 56664), (4464, 48794), (4722, 46128), (5766, 37776), (6296, 34596), (7083, 30752), (7688, 28332), (8649, 25184), (8928, 24397), (9444, 23064), (11532, 18888), (12592, 17298), (14166, 15376)]