217451208

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 609638400

約数和(自身を除く): 392187192

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 41, 52, 78, 82, 89, 104, 123, 156, 164, 178, 191, 246, 267, 312, 328, 356, 382, 492, 533, 534, 573, 712, 764, 984, 1066, 1068, 1146, 1157, 1528, 1599, 2132, 2136, 2292, 2314, 2483, 3198, 3471, 3649, 4264, 4584, 4628, 4966, 6396, 6942, 7298, 7449, 7831, 9256, 9932, 10947, 12792, 13884, 14596, 14898, 15662, 16999, 19864, 21894, 23493, 27768, 29192, 29796, 31324, 33998, 43788, 46986, 47437, 50997, 59592, 62648, 67996, 87576, 93972, 94874, 101803, 101994, 135992, 142311, 187944, 189748, 203606, 203988, 220987, 284622, 305409, 379496, 407212, 407976, 441974, 569244, 610818, 662961, 696959, 814424, 883948, 1138488, 1221636, 1325922, 1393918, 1767896, 2090877, 2443272, 2651844, 2787836, 4181754, 5303688, 5575672, 8363508, 9060467, 16727016, 18120934, 27181401, 36241868, 54362802, 72483736, 108725604, 217451208]

約数ペア:

[(1, 217451208), (2, 108725604), (3, 72483736), (4, 54362802), (6, 36241868), (8, 27181401), (12, 18120934), (13, 16727016), (24, 9060467), (26, 8363508), (39, 5575672), (41, 5303688), (52, 4181754), (78, 2787836), (82, 2651844), (89, 2443272), (104, 2090877), (123, 1767896), (156, 1393918), (164, 1325922), (178, 1221636), (191, 1138488), (246, 883948), (267, 814424), (312, 696959), (328, 662961), (356, 610818), (382, 569244), (492, 441974), (533, 407976), (534, 407212), (573, 379496), (712, 305409), (764, 284622), (984, 220987), (1066, 203988), (1068, 203606), (1146, 189748), (1157, 187944), (1528, 142311), (1599, 135992), (2132, 101994), (2136, 101803), (2292, 94874), (2314, 93972), (2483, 87576), (3198, 67996), (3471, 62648), (3649, 59592), (4264, 50997), (4584, 47437), (4628, 46986), (4966, 43788), (6396, 33998), (6942, 31324), (7298, 29796), (7449, 29192), (7831, 27768), (9256, 23493), (9932, 21894), (10947, 19864), (12792, 16999), (13884, 15662), (14596, 14898)]