259808272

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:408

約数の個数: 60

約数和(自身を含む): 530575788

約数和(自身を除く): 270767516

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 277, 488, 496, 554, 961, 976, 1108, 1891, 1922, 2216, 3782, 3844, 4432, 7564, 7688, 8587, 15128, 15376, 16897, 17174, 30256, 33794, 34348, 58621, 67588, 68696, 117242, 135176, 137392, 234484, 266197, 270352, 468968, 523807, 532394, 937936, 1047614, 1064788, 2095228, 2129576, 4190456, 4259152, 8380912, 16238017, 32476034, 64952068, 129904136, 259808272]

約数ペア:

[(1, 259808272), (2, 129904136), (4, 64952068), (8, 32476034), (16, 16238017), (31, 8380912), (61, 4259152), (62, 4190456), (122, 2129576), (124, 2095228), (244, 1064788), (248, 1047614), (277, 937936), (488, 532394), (496, 523807), (554, 468968), (961, 270352), (976, 266197), (1108, 234484), (1891, 137392), (1922, 135176), (2216, 117242), (3782, 68696), (3844, 67588), (4432, 58621), (7564, 34348), (7688, 33794), (8587, 30256), (15128, 17174), (15376, 16897)]