131980156

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1187}}^1$

素因数の和:1247

約数の個数: 72

約数和(自身を含む): 304166016

約数和(自身を除く): 172185860

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 361, 418, 532, 722, 836, 1187, 1444, 1463, 2374, 2527, 2926, 3971, 4748, 5054, 5852, 7942, 8309, 10108, 13057, 15884, 16618, 22553, 26114, 27797, 33236, 45106, 52228, 55594, 90212, 91399, 111188, 157871, 182798, 248083, 315742, 365596, 428507, 496166, 631484, 857014, 992332, 1714028, 1736581, 2999549, 3473162, 4713577, 5999098, 6946324, 9427154, 11998196, 18854308, 32995039, 65990078, 131980156]

約数ペア:

[(1, 131980156), (2, 65990078), (4, 32995039), (7, 18854308), (11, 11998196), (14, 9427154), (19, 6946324), (22, 5999098), (28, 4713577), (38, 3473162), (44, 2999549), (76, 1736581), (77, 1714028), (133, 992332), (154, 857014), (209, 631484), (266, 496166), (308, 428507), (361, 365596), (418, 315742), (532, 248083), (722, 182798), (836, 157871), (1187, 111188), (1444, 91399), (1463, 90212), (2374, 55594), (2527, 52228), (2926, 45106), (3971, 33236), (4748, 27797), (5054, 26114), (5852, 22553), (7942, 16618), (8309, 15884), (10108, 13057)]