256856702968

素因数分解:

$2^3\times {\mathrm{151}}^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1\times {\mathrm{3433}}^1$

素因数の和:4088

約数の個数: 64

約数和(自身を含む): 488843910720

約数和(自身を除く): 231987207752

約数列:

[1, 2, 4, 8, 151, 241, 257, 302, 482, 514, 604, 964, 1028, 1208, 1928, 2056, 3433, 6866, 13732, 27464, 36391, 38807, 61937, 72782, 77614, 123874, 145564, 155228, 247748, 291128, 310456, 495496, 518383, 827353, 882281, 1036766, 1654706, 1764562, 2073532, 3309412, 3529124, 4147064, 6618824, 7058248, 9352487, 18704974, 37409948, 74819896, 124930303, 133224431, 212629721, 249860606, 266448862, 425259442, 499721212, 532897724, 850518884, 999442424, 1065795448, 1701037768, 32107087871, 64214175742, 128428351484, 256856702968]

約数ペア:

[(1, 256856702968), (2, 128428351484), (4, 64214175742), (8, 32107087871), (151, 1701037768), (241, 1065795448), (257, 999442424), (302, 850518884), (482, 532897724), (514, 499721212), (604, 425259442), (964, 266448862), (1028, 249860606), (1208, 212629721), (1928, 133224431), (2056, 124930303), (3433, 74819896), (6866, 37409948), (13732, 18704974), (27464, 9352487), (36391, 7058248), (38807, 6618824), (61937, 4147064), (72782, 3529124), (77614, 3309412), (123874, 2073532), (145564, 1764562), (155228, 1654706), (247748, 1036766), (291128, 882281), (310456, 827353), (495496, 518383)]