77981288

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1783}}^1$

素因数の和:1878

約数の個数: 64

約数和(自身を含む): 184965120

約数和(自身を除く): 106983832

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 71, 77, 88, 142, 154, 284, 308, 497, 568, 616, 781, 994, 1562, 1783, 1988, 3124, 3566, 3976, 5467, 6248, 7132, 10934, 12481, 14264, 19613, 21868, 24962, 39226, 43736, 49924, 78452, 99848, 126593, 137291, 156904, 253186, 274582, 506372, 549164, 886151, 1012744, 1098328, 1392523, 1772302, 2785046, 3544604, 5570092, 7089208, 9747661, 11140184, 19495322, 38990644, 77981288]

約数ペア:

[(1, 77981288), (2, 38990644), (4, 19495322), (7, 11140184), (8, 9747661), (11, 7089208), (14, 5570092), (22, 3544604), (28, 2785046), (44, 1772302), (56, 1392523), (71, 1098328), (77, 1012744), (88, 886151), (142, 549164), (154, 506372), (284, 274582), (308, 253186), (497, 156904), (568, 137291), (616, 126593), (781, 99848), (994, 78452), (1562, 49924), (1783, 43736), (1988, 39226), (3124, 24962), (3566, 21868), (3976, 19613), (5467, 14264), (6248, 12481), (7132, 10934)]