156721438916

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1\times {\mathrm{143257}}^1$

素因数の和:143796

約数の個数: 48

約数和(自身を含む): 317688940800

約数和(自身を除く): 160967501884

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 439, 623, 878, 1246, 1756, 2492, 3073, 6146, 12292, 39071, 78142, 143257, 156284, 273497, 286514, 546994, 573028, 1002799, 1093988, 2005598, 4011196, 12749873, 25499746, 50999492, 62889823, 89249111, 125779646, 178498222, 251559292, 356996444, 440228761, 880457522, 1760915044, 5597194247, 11194388494, 22388776988, 39180359729, 78360719458, 156721438916]

約数ペア:

[(1, 156721438916), (2, 78360719458), (4, 39180359729), (7, 22388776988), (14, 11194388494), (28, 5597194247), (89, 1760915044), (178, 880457522), (356, 440228761), (439, 356996444), (623, 251559292), (878, 178498222), (1246, 125779646), (1756, 89249111), (2492, 62889823), (3073, 50999492), (6146, 25499746), (12292, 12749873), (39071, 4011196), (78142, 2005598), (143257, 1093988), (156284, 1002799), (273497, 573028), (286514, 546994)]