257484618

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:772

約数の個数: 96

約数和(自身を含む): 632024640

約数和(自身を除く): 374540022

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 34, 38, 51, 57, 67, 102, 114, 134, 153, 171, 201, 306, 323, 342, 402, 603, 646, 661, 969, 1139, 1206, 1273, 1322, 1938, 1983, 2278, 2546, 2907, 3417, 3819, 3966, 5814, 5949, 6834, 7638, 10251, 11237, 11457, 11898, 12559, 20502, 21641, 22474, 22914, 25118, 33711, 37677, 43282, 44287, 64923, 67422, 75354, 88574, 101133, 113031, 129846, 132861, 194769, 202266, 213503, 226062, 265722, 389538, 398583, 427006, 640509, 752879, 797166, 841453, 1281018, 1505758, 1682906, 1921527, 2258637, 2524359, 3843054, 4517274, 5048718, 6775911, 7573077, 13551822, 14304701, 15146154, 28609402, 42914103, 85828206, 128742309, 257484618]

約数ペア:

[(1, 257484618), (2, 128742309), (3, 85828206), (6, 42914103), (9, 28609402), (17, 15146154), (18, 14304701), (19, 13551822), (34, 7573077), (38, 6775911), (51, 5048718), (57, 4517274), (67, 3843054), (102, 2524359), (114, 2258637), (134, 1921527), (153, 1682906), (171, 1505758), (201, 1281018), (306, 841453), (323, 797166), (342, 752879), (402, 640509), (603, 427006), (646, 398583), (661, 389538), (969, 265722), (1139, 226062), (1206, 213503), (1273, 202266), (1322, 194769), (1938, 132861), (1983, 129846), (2278, 113031), (2546, 101133), (2907, 88574), (3417, 75354), (3819, 67422), (3966, 64923), (5814, 44287), (5949, 43282), (6834, 37677), (7638, 33711), (10251, 25118), (11237, 22914), (11457, 22474), (11898, 21641), (12559, 20502)]