138702928

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:505

約数の個数: 120

約数和(自身を含む): 348311040

約数和(自身を除く): 209608112

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 49, 52, 56, 62, 91, 98, 104, 112, 124, 182, 196, 208, 217, 248, 364, 392, 403, 434, 439, 496, 637, 728, 784, 806, 868, 878, 1274, 1456, 1519, 1612, 1736, 1756, 2548, 2821, 3038, 3073, 3224, 3472, 3512, 5096, 5642, 5707, 6076, 6146, 6448, 7024, 10192, 11284, 11414, 12152, 12292, 13609, 19747, 21511, 22568, 22828, 24304, 24584, 27218, 39494, 39949, 43022, 45136, 45656, 49168, 54436, 78988, 79898, 86044, 91312, 95263, 108872, 157976, 159796, 172088, 176917, 190526, 217744, 279643, 315952, 319592, 344176, 353834, 381052, 559286, 639184, 666841, 707668, 762104, 1118572, 1238419, 1333682, 1415336, 1524208, 2237144, 2476838, 2667364, 2830672, 4474288, 4953676, 5334728, 8668933, 9907352, 10669456, 17337866, 19814704, 34675732, 69351464, 138702928]

約数ペア:

[(1, 138702928), (2, 69351464), (4, 34675732), (7, 19814704), (8, 17337866), (13, 10669456), (14, 9907352), (16, 8668933), (26, 5334728), (28, 4953676), (31, 4474288), (49, 2830672), (52, 2667364), (56, 2476838), (62, 2237144), (91, 1524208), (98, 1415336), (104, 1333682), (112, 1238419), (124, 1118572), (182, 762104), (196, 707668), (208, 666841), (217, 639184), (248, 559286), (364, 381052), (392, 353834), (403, 344176), (434, 319592), (439, 315952), (496, 279643), (637, 217744), (728, 190526), (784, 176917), (806, 172088), (868, 159796), (878, 157976), (1274, 108872), (1456, 95263), (1519, 91312), (1612, 86044), (1736, 79898), (1756, 78988), (2548, 54436), (2821, 49168), (3038, 45656), (3073, 45136), (3224, 43022), (3472, 39949), (3512, 39494), (5096, 27218), (5642, 24584), (5707, 24304), (6076, 22828), (6146, 22568), (6448, 21511), (7024, 19747), (10192, 13609), (11284, 12292), (11414, 12152)]