208774384

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{643}}^1$

素因数の和:894

約数の個数: 80

約数和(自身を含む): 500856832

約数和(自身を除く): 292082448

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 223, 364, 446, 643, 728, 892, 1286, 1456, 1561, 1784, 2572, 2899, 3122, 3568, 4501, 5144, 5798, 6244, 8359, 9002, 10288, 11596, 12488, 16718, 18004, 20293, 23192, 24976, 33436, 36008, 40586, 46384, 58513, 66872, 72016, 81172, 117026, 133744, 143389, 162344, 234052, 286778, 324688, 468104, 573556, 936208, 1003723, 1147112, 1864057, 2007446, 2294224, 3728114, 4014892, 7456228, 8029784, 13048399, 14912456, 16059568, 26096798, 29824912, 52193596, 104387192, 208774384]

約数ペア:

[(1, 208774384), (2, 104387192), (4, 52193596), (7, 29824912), (8, 26096798), (13, 16059568), (14, 14912456), (16, 13048399), (26, 8029784), (28, 7456228), (52, 4014892), (56, 3728114), (91, 2294224), (104, 2007446), (112, 1864057), (182, 1147112), (208, 1003723), (223, 936208), (364, 573556), (446, 468104), (643, 324688), (728, 286778), (892, 234052), (1286, 162344), (1456, 143389), (1561, 133744), (1784, 117026), (2572, 81172), (2899, 72016), (3122, 66872), (3568, 58513), (4501, 46384), (5144, 40586), (5798, 36008), (6244, 33436), (8359, 24976), (9002, 23192), (10288, 20293), (11596, 18004), (12488, 16718)]