643176352

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:403

約数の個数: 144

約数和(自身を含む): 1604746080

約数和(自身を除く): 961569728

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 139, 182, 196, 208, 224, 227, 278, 364, 392, 416, 454, 556, 637, 728, 784, 908, 973, 1112, 1274, 1456, 1568, 1589, 1807, 1816, 1946, 2224, 2548, 2912, 2951, 3178, 3614, 3632, 3892, 4448, 5096, 5902, 6356, 6811, 7228, 7264, 7784, 10192, 11123, 11804, 12649, 12712, 13622, 14456, 15568, 20384, 20657, 22246, 23608, 25298, 25424, 27244, 28912, 31136, 31553, 41314, 44492, 47216, 50596, 50848, 54488, 57824, 63106, 82628, 88543, 88984, 94432, 101192, 108976, 126212, 144599, 165256, 177086, 177968, 202384, 217952, 220871, 252424, 289198, 330512, 354172, 355936, 404768, 410189, 441742, 504848, 578396, 661024, 708344, 820378, 883484, 1009696, 1156792, 1416688, 1546097, 1640756, 1766968, 2313584, 2833376, 2871323, 3092194, 3281512, 3533936, 4627168, 5742646, 6184388, 6563024, 7067872, 11485292, 12368776, 13126048, 20099261, 22970584, 24737552, 40198522, 45941168, 49475104, 80397044, 91882336, 160794088, 321588176, 643176352]

約数ペア:

[(1, 643176352), (2, 321588176), (4, 160794088), (7, 91882336), (8, 80397044), (13, 49475104), (14, 45941168), (16, 40198522), (26, 24737552), (28, 22970584), (32, 20099261), (49, 13126048), (52, 12368776), (56, 11485292), (91, 7067872), (98, 6563024), (104, 6184388), (112, 5742646), (139, 4627168), (182, 3533936), (196, 3281512), (208, 3092194), (224, 2871323), (227, 2833376), (278, 2313584), (364, 1766968), (392, 1640756), (416, 1546097), (454, 1416688), (556, 1156792), (637, 1009696), (728, 883484), (784, 820378), (908, 708344), (973, 661024), (1112, 578396), (1274, 504848), (1456, 441742), (1568, 410189), (1589, 404768), (1807, 355936), (1816, 354172), (1946, 330512), (2224, 289198), (2548, 252424), (2912, 220871), (2951, 217952), (3178, 202384), (3614, 177968), (3632, 177086), (3892, 165256), (4448, 144599), (5096, 126212), (5902, 108976), (6356, 101192), (6811, 94432), (7228, 88984), (7264, 88543), (7784, 82628), (10192, 63106), (11123, 57824), (11804, 54488), (12649, 50848), (12712, 50596), (13622, 47216), (14456, 44492), (15568, 41314), (20384, 31553), (20657, 31136), (22246, 28912), (23608, 27244), (25298, 25424)]