261374456

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{3761}}^1$

素因数の和:3864

約数の個数: 64

約数和(自身を含む): 601318080

約数和(自身を除く): 339943624

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 73, 119, 136, 146, 238, 292, 476, 511, 584, 952, 1022, 1241, 2044, 2482, 3761, 4088, 4964, 7522, 8687, 9928, 15044, 17374, 26327, 30088, 34748, 52654, 63937, 69496, 105308, 127874, 210616, 255748, 274553, 447559, 511496, 549106, 895118, 1098212, 1790236, 1921871, 2196424, 3580472, 3843742, 4667401, 7687484, 9334802, 15374968, 18669604, 32671807, 37339208, 65343614, 130687228, 261374456]

約数ペア:

[(1, 261374456), (2, 130687228), (4, 65343614), (7, 37339208), (8, 32671807), (14, 18669604), (17, 15374968), (28, 9334802), (34, 7687484), (56, 4667401), (68, 3843742), (73, 3580472), (119, 2196424), (136, 1921871), (146, 1790236), (238, 1098212), (292, 895118), (476, 549106), (511, 511496), (584, 447559), (952, 274553), (1022, 255748), (1241, 210616), (2044, 127874), (2482, 105308), (3761, 69496), (4088, 63937), (4964, 52654), (7522, 34748), (8687, 30088), (9928, 26327), (15044, 17374)]