40721646

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 97228800

約数和(自身を除く): 56507154

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 49, 94, 98, 141, 147, 282, 294, 329, 343, 421, 658, 686, 842, 987, 1029, 1263, 1974, 2058, 2303, 2526, 2947, 4606, 5894, 6909, 8841, 13818, 16121, 17682, 19787, 20629, 32242, 39574, 41258, 48363, 59361, 61887, 96726, 118722, 123774, 138509, 144403, 277018, 288806, 415527, 433209, 831054, 866418, 969563, 1939126, 2908689, 5817378, 6786941, 13573882, 20360823, 40721646]

約数ペア:

[(1, 40721646), (2, 20360823), (3, 13573882), (6, 6786941), (7, 5817378), (14, 2908689), (21, 1939126), (42, 969563), (47, 866418), (49, 831054), (94, 433209), (98, 415527), (141, 288806), (147, 277018), (282, 144403), (294, 138509), (329, 123774), (343, 118722), (421, 96726), (658, 61887), (686, 59361), (842, 48363), (987, 41258), (1029, 39574), (1263, 32242), (1974, 20629), (2058, 19787), (2303, 17682), (2526, 16121), (2947, 13818), (4606, 8841), (5894, 6909)]