257988402

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2741}}^1$

素因数の和:2845

約数の個数: 80

約数和(自身を含む): 668872512

約数和(自身を除く): 410884110

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 83, 126, 162, 166, 189, 249, 378, 498, 567, 581, 747, 1134, 1162, 1494, 1743, 2241, 2741, 3486, 4482, 5229, 5482, 6723, 8223, 10458, 13446, 15687, 16446, 19187, 24669, 31374, 38374, 47061, 49338, 57561, 74007, 94122, 115122, 148014, 172683, 222021, 227503, 345366, 444042, 455006, 518049, 682509, 1036098, 1365018, 1554147, 1592521, 2047527, 3108294, 3185042, 4095054, 4777563, 6142581, 9555126, 12285162, 14332689, 18427743, 28665378, 36855486, 42998067, 85996134, 128994201, 257988402]

約数ペア:

[(1, 257988402), (2, 128994201), (3, 85996134), (6, 42998067), (7, 36855486), (9, 28665378), (14, 18427743), (18, 14332689), (21, 12285162), (27, 9555126), (42, 6142581), (54, 4777563), (63, 4095054), (81, 3185042), (83, 3108294), (126, 2047527), (162, 1592521), (166, 1554147), (189, 1365018), (249, 1036098), (378, 682509), (498, 518049), (567, 455006), (581, 444042), (747, 345366), (1134, 227503), (1162, 222021), (1494, 172683), (1743, 148014), (2241, 115122), (2741, 94122), (3486, 74007), (4482, 57561), (5229, 49338), (5482, 47061), (6723, 38374), (8223, 31374), (10458, 24669), (13446, 19187), (15687, 16446)]