1389788228

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{1789}}^1$

素因数の和:2040

約数の個数: 48

約数和(自身を含む): 2599724400

約数和(自身を除く): 1209936172

約数列:

[1, 2, 4, 29, 37, 58, 74, 116, 148, 181, 362, 724, 1073, 1789, 2146, 3578, 4292, 5249, 6697, 7156, 10498, 13394, 20996, 26788, 51881, 66193, 103762, 132386, 194213, 207524, 264772, 323809, 388426, 647618, 776852, 1295236, 1919597, 3839194, 7678388, 9390461, 11980933, 18780922, 23961866, 37561844, 47923732, 347447057, 694894114, 1389788228]

約数ペア:

[(1, 1389788228), (2, 694894114), (4, 347447057), (29, 47923732), (37, 37561844), (58, 23961866), (74, 18780922), (116, 11980933), (148, 9390461), (181, 7678388), (362, 3839194), (724, 1919597), (1073, 1295236), (1789, 776852), (2146, 647618), (3578, 388426), (4292, 323809), (5249, 264772), (6697, 207524), (7156, 194213), (10498, 132386), (13394, 103762), (20996, 66193), (26788, 51881)]