208381516

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{25931}}^1$

素因数の和:25990

約数の個数: 36

約数和(自身を含む): 434568456

約数和(自身を除く): 226186940

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 4018, 8036, 25931, 51862, 103724, 181517, 363034, 726068, 1063171, 1270619, 2126342, 2541238, 4252684, 5082476, 7442197, 14884394, 29768788, 52095379, 104190758, 208381516]

約数ペア:

[(1, 208381516), (2, 104190758), (4, 52095379), (7, 29768788), (14, 14884394), (28, 7442197), (41, 5082476), (49, 4252684), (82, 2541238), (98, 2126342), (164, 1270619), (196, 1063171), (287, 726068), (574, 363034), (1148, 181517), (2009, 103724), (4018, 51862), (8036, 25931)]