328528928

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:335

約数の個数: 144

約数和(自身を含む): 825297984

約数和(自身を除く): 496769056

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 71, 91, 98, 104, 112, 142, 182, 196, 208, 224, 227, 284, 364, 392, 416, 454, 497, 568, 637, 728, 784, 908, 923, 994, 1136, 1274, 1456, 1568, 1589, 1816, 1846, 1988, 2272, 2548, 2912, 2951, 3178, 3479, 3632, 3692, 3976, 5096, 5902, 6356, 6461, 6958, 7264, 7384, 7952, 10192, 11123, 11804, 12712, 12922, 13916, 14768, 15904, 16117, 20384, 20657, 22246, 23608, 25424, 25844, 27832, 29536, 32234, 41314, 44492, 45227, 47216, 50848, 51688, 55664, 64468, 82628, 88984, 90454, 94432, 103376, 111328, 112819, 128936, 144599, 165256, 177968, 180908, 206752, 209521, 225638, 257872, 289198, 330512, 355936, 361816, 419042, 451276, 515744, 578396, 661024, 723632, 789733, 838084, 902552, 1156792, 1447264, 1466647, 1579466, 1676168, 1805104, 2313584, 2933294, 3158932, 3352336, 3610208, 4627168, 5866588, 6317864, 6704672, 10266529, 11733176, 12635728, 20533058, 23466352, 25271456, 41066116, 46932704, 82132232, 164264464, 328528928]

約数ペア:

[(1, 328528928), (2, 164264464), (4, 82132232), (7, 46932704), (8, 41066116), (13, 25271456), (14, 23466352), (16, 20533058), (26, 12635728), (28, 11733176), (32, 10266529), (49, 6704672), (52, 6317864), (56, 5866588), (71, 4627168), (91, 3610208), (98, 3352336), (104, 3158932), (112, 2933294), (142, 2313584), (182, 1805104), (196, 1676168), (208, 1579466), (224, 1466647), (227, 1447264), (284, 1156792), (364, 902552), (392, 838084), (416, 789733), (454, 723632), (497, 661024), (568, 578396), (637, 515744), (728, 451276), (784, 419042), (908, 361816), (923, 355936), (994, 330512), (1136, 289198), (1274, 257872), (1456, 225638), (1568, 209521), (1589, 206752), (1816, 180908), (1846, 177968), (1988, 165256), (2272, 144599), (2548, 128936), (2912, 112819), (2951, 111328), (3178, 103376), (3479, 94432), (3632, 90454), (3692, 88984), (3976, 82628), (5096, 64468), (5902, 55664), (6356, 51688), (6461, 50848), (6958, 47216), (7264, 45227), (7384, 44492), (7952, 41314), (10192, 32234), (11123, 29536), (11804, 27832), (12712, 25844), (12922, 25424), (13916, 23608), (14768, 22246), (15904, 20657), (16117, 20384)]