388753144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 883975680

約数和(自身を除く): 495222536

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 41, 52, 62, 68, 82, 104, 124, 136, 164, 173, 221, 248, 328, 346, 403, 442, 527, 533, 692, 697, 806, 884, 1054, 1066, 1271, 1384, 1394, 1612, 1768, 2108, 2132, 2249, 2542, 2788, 2941, 3224, 4216, 4264, 4498, 5084, 5363, 5576, 5882, 6851, 7093, 8996, 9061, 10168, 10726, 11764, 13702, 14186, 16523, 17992, 18122, 21452, 21607, 23528, 27404, 28372, 33046, 36244, 38233, 42904, 43214, 54808, 56744, 66092, 69719, 72488, 76466, 86428, 91171, 92209, 120581, 132184, 139438, 152932, 172856, 182342, 184418, 219883, 241162, 278876, 280891, 305864, 364684, 368836, 439766, 482324, 557752, 561782, 729368, 737672, 879532, 964648, 1123564, 1185223, 1567553, 1759064, 2247128, 2370446, 2858479, 3135106, 3738011, 4740892, 5716958, 6270212, 7476022, 9481784, 11433916, 12540424, 14952044, 22867832, 29904088, 48594143, 97188286, 194376572, 388753144]

約数ペア:

[(1, 388753144), (2, 194376572), (4, 97188286), (8, 48594143), (13, 29904088), (17, 22867832), (26, 14952044), (31, 12540424), (34, 11433916), (41, 9481784), (52, 7476022), (62, 6270212), (68, 5716958), (82, 4740892), (104, 3738011), (124, 3135106), (136, 2858479), (164, 2370446), (173, 2247128), (221, 1759064), (248, 1567553), (328, 1185223), (346, 1123564), (403, 964648), (442, 879532), (527, 737672), (533, 729368), (692, 561782), (697, 557752), (806, 482324), (884, 439766), (1054, 368836), (1066, 364684), (1271, 305864), (1384, 280891), (1394, 278876), (1612, 241162), (1768, 219883), (2108, 184418), (2132, 182342), (2249, 172856), (2542, 152932), (2788, 139438), (2941, 132184), (3224, 120581), (4216, 92209), (4264, 91171), (4498, 86428), (5084, 76466), (5363, 72488), (5576, 69719), (5882, 66092), (6851, 56744), (7093, 54808), (8996, 43214), (9061, 42904), (10168, 38233), (10726, 36244), (11764, 33046), (13702, 28372), (14186, 27404), (16523, 23528), (17992, 21607), (18122, 21452)]