28331478

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{241}}^1\times {\mathrm{311}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 72483840

約数和(自身を除く): 44152362

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 241, 311, 378, 482, 622, 723, 933, 1446, 1687, 1866, 2169, 2177, 2799, 3374, 4338, 4354, 5061, 5598, 6507, 6531, 8397, 10122, 13014, 13062, 15183, 16794, 19593, 30366, 39186, 45549, 58779, 74951, 91098, 117558, 149902, 224853, 449706, 524657, 674559, 1049314, 1349118, 1573971, 2023677, 3147942, 4047354, 4721913, 9443826, 14165739, 28331478]

約数ペア:

[(1, 28331478), (2, 14165739), (3, 9443826), (6, 4721913), (7, 4047354), (9, 3147942), (14, 2023677), (18, 1573971), (21, 1349118), (27, 1049314), (42, 674559), (54, 524657), (63, 449706), (126, 224853), (189, 149902), (241, 117558), (311, 91098), (378, 74951), (482, 58779), (622, 45549), (723, 39186), (933, 30366), (1446, 19593), (1687, 16794), (1866, 15183), (2169, 13062), (2177, 13014), (2799, 10122), (3374, 8397), (4338, 6531), (4354, 6507), (5061, 5598)]