281731872

素因数分解:

$2^5\times 3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:686

約数の個数: 96

約数和(自身を含む): 763741440

約数和(自身を除く): 482009568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 86, 96, 129, 139, 172, 258, 278, 344, 417, 491, 516, 556, 688, 834, 982, 1032, 1112, 1376, 1473, 1668, 1964, 2064, 2224, 2946, 3336, 3928, 4128, 4448, 5892, 5977, 6672, 7856, 11784, 11954, 13344, 15712, 17931, 21113, 23568, 23908, 35862, 42226, 47136, 47816, 63339, 68249, 71724, 84452, 95632, 126678, 136498, 143448, 168904, 191264, 204747, 253356, 272996, 286896, 337808, 409494, 506712, 545992, 573792, 675616, 818988, 1013424, 1091984, 1637976, 2026848, 2183968, 2934707, 3275952, 5869414, 6551904, 8804121, 11738828, 17608242, 23477656, 35216484, 46955312, 70432968, 93910624, 140865936, 281731872]

約数ペア:

[(1, 281731872), (2, 140865936), (3, 93910624), (4, 70432968), (6, 46955312), (8, 35216484), (12, 23477656), (16, 17608242), (24, 11738828), (32, 8804121), (43, 6551904), (48, 5869414), (86, 3275952), (96, 2934707), (129, 2183968), (139, 2026848), (172, 1637976), (258, 1091984), (278, 1013424), (344, 818988), (417, 675616), (491, 573792), (516, 545992), (556, 506712), (688, 409494), (834, 337808), (982, 286896), (1032, 272996), (1112, 253356), (1376, 204747), (1473, 191264), (1668, 168904), (1964, 143448), (2064, 136498), (2224, 126678), (2946, 95632), (3336, 84452), (3928, 71724), (4128, 68249), (4448, 63339), (5892, 47816), (5977, 47136), (6672, 42226), (7856, 35862), (11784, 23908), (11954, 23568), (13344, 21113), (15712, 17931)]