217781256

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{617}}^1$

素因数の和:835

約数の個数: 128

約数和(自身を含む): 683458560

約数和(自身を除く): 465677304

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 191, 231, 264, 308, 382, 462, 573, 616, 617, 764, 924, 1146, 1234, 1337, 1528, 1848, 1851, 2101, 2292, 2468, 2674, 3702, 4011, 4202, 4319, 4584, 4936, 5348, 6303, 6787, 7404, 8022, 8404, 8638, 10696, 12606, 12957, 13574, 14707, 14808, 16044, 16808, 17276, 20361, 25212, 25914, 27148, 29414, 32088, 34552, 40722, 44121, 47509, 50424, 51828, 54296, 58828, 81444, 88242, 95018, 103656, 117656, 117847, 142527, 162888, 176484, 190036, 235694, 285054, 352968, 353541, 380072, 471388, 570108, 707082, 824929, 942776, 1140216, 1296317, 1414164, 1649858, 2474787, 2592634, 2828328, 3299716, 3888951, 4949574, 5185268, 6599432, 7777902, 9074219, 9899148, 10370536, 15555804, 18148438, 19798296, 27222657, 31111608, 36296876, 54445314, 72593752, 108890628, 217781256]

約数ペア:

[(1, 217781256), (2, 108890628), (3, 72593752), (4, 54445314), (6, 36296876), (7, 31111608), (8, 27222657), (11, 19798296), (12, 18148438), (14, 15555804), (21, 10370536), (22, 9899148), (24, 9074219), (28, 7777902), (33, 6599432), (42, 5185268), (44, 4949574), (56, 3888951), (66, 3299716), (77, 2828328), (84, 2592634), (88, 2474787), (132, 1649858), (154, 1414164), (168, 1296317), (191, 1140216), (231, 942776), (264, 824929), (308, 707082), (382, 570108), (462, 471388), (573, 380072), (616, 353541), (617, 352968), (764, 285054), (924, 235694), (1146, 190036), (1234, 176484), (1337, 162888), (1528, 142527), (1848, 117847), (1851, 117656), (2101, 103656), (2292, 95018), (2468, 88242), (2674, 81444), (3702, 58828), (4011, 54296), (4202, 51828), (4319, 50424), (4584, 47509), (4936, 44121), (5348, 40722), (6303, 34552), (6787, 32088), (7404, 29414), (8022, 27148), (8404, 25914), (8638, 25212), (10696, 20361), (12606, 17276), (12957, 16808), (13574, 16044), (14707, 14808)]