71981896

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 160030080

約数和(自身を除く): 88048184

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 107, 164, 214, 287, 293, 328, 428, 574, 586, 749, 856, 1148, 1172, 1498, 2051, 2296, 2344, 2996, 4102, 4387, 5992, 8204, 8774, 12013, 16408, 17548, 24026, 30709, 31351, 35096, 48052, 61418, 62702, 84091, 96104, 122836, 125404, 168182, 219457, 245672, 250808, 336364, 438914, 672728, 877828, 1285391, 1755656, 2570782, 5141564, 8997737, 10283128, 17995474, 35990948, 71981896]

約数ペア:

[(1, 71981896), (2, 35990948), (4, 17995474), (7, 10283128), (8, 8997737), (14, 5141564), (28, 2570782), (41, 1755656), (56, 1285391), (82, 877828), (107, 672728), (164, 438914), (214, 336364), (287, 250808), (293, 245672), (328, 219457), (428, 168182), (574, 125404), (586, 122836), (749, 96104), (856, 84091), (1148, 62702), (1172, 61418), (1498, 48052), (2051, 35096), (2296, 31351), (2344, 30709), (2996, 24026), (4102, 17548), (4387, 16408), (5992, 12013), (8204, 8774)]