71365658

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 72

約数和(自身を含む): 140192640

約数和(自身を除く): 68826982

約数列:

[1, 2, 7, 13, 14, 26, 31, 49, 62, 91, 98, 139, 169, 182, 217, 278, 338, 403, 434, 637, 806, 973, 1183, 1274, 1519, 1807, 1946, 2366, 2821, 3038, 3614, 4309, 5239, 5642, 6811, 8281, 8618, 10478, 12649, 13622, 16562, 19747, 23491, 25298, 30163, 36673, 39494, 46982, 56017, 60326, 73346, 88543, 112034, 164437, 177086, 211141, 256711, 328874, 392119, 422282, 513422, 728221, 784238, 1151059, 1456442, 2302118, 2744833, 5097547, 5489666, 10195094, 35682829, 71365658]

約数ペア:

[(1, 71365658), (2, 35682829), (7, 10195094), (13, 5489666), (14, 5097547), (26, 2744833), (31, 2302118), (49, 1456442), (62, 1151059), (91, 784238), (98, 728221), (139, 513422), (169, 422282), (182, 392119), (217, 328874), (278, 256711), (338, 211141), (403, 177086), (434, 164437), (637, 112034), (806, 88543), (973, 73346), (1183, 60326), (1274, 56017), (1519, 46982), (1807, 39494), (1946, 36673), (2366, 30163), (2821, 25298), (3038, 23491), (3614, 19747), (4309, 16562), (5239, 13622), (5642, 12649), (6811, 10478), (8281, 8618)]