81368568

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^1\times {\mathrm{21323}}^1$

素因数の和:21388

約数の個数: 48

約数和(自身を含む): 224541720

約数和(自身を除く): 143173152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 72, 106, 159, 212, 318, 424, 477, 636, 954, 1272, 1908, 3816, 21323, 42646, 63969, 85292, 127938, 170584, 191907, 255876, 383814, 511752, 767628, 1130119, 1535256, 2260238, 3390357, 4520476, 6780714, 9040952, 10171071, 13561428, 20342142, 27122856, 40684284, 81368568]

約数ペア:

[(1, 81368568), (2, 40684284), (3, 27122856), (4, 20342142), (6, 13561428), (8, 10171071), (9, 9040952), (12, 6780714), (18, 4520476), (24, 3390357), (36, 2260238), (53, 1535256), (72, 1130119), (106, 767628), (159, 511752), (212, 383814), (318, 255876), (424, 191907), (477, 170584), (636, 127938), (954, 85292), (1272, 63969), (1908, 42646), (3816, 21323)]