255666964

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{3061}}^1$

素因数の和:3248

約数の個数: 48

約数和(自身を含む): 541851520

約数和(自身を除く): 286184556

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 157, 266, 314, 532, 628, 1099, 2198, 2983, 3061, 4396, 5966, 6122, 11932, 12244, 20881, 21427, 41762, 42854, 58159, 83524, 85708, 116318, 232636, 407113, 480577, 814226, 961154, 1628452, 1922308, 3364039, 6728078, 9130963, 13456156, 18261926, 36523852, 63916741, 127833482, 255666964]

約数ペア:

[(1, 255666964), (2, 127833482), (4, 63916741), (7, 36523852), (14, 18261926), (19, 13456156), (28, 9130963), (38, 6728078), (76, 3364039), (133, 1922308), (157, 1628452), (266, 961154), (314, 814226), (532, 480577), (628, 407113), (1099, 232636), (2198, 116318), (2983, 85708), (3061, 83524), (4396, 58159), (5966, 42854), (6122, 41762), (11932, 21427), (12244, 20881)]