25813172

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:453

約数の個数: 72

約数和(自身を含む): 59881920

約数和(自身を除く): 34068748

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 121, 133, 154, 209, 242, 266, 308, 401, 418, 484, 532, 802, 836, 847, 1463, 1604, 1694, 2299, 2807, 2926, 3388, 4411, 4598, 5614, 5852, 7619, 8822, 9196, 11228, 15238, 16093, 17644, 30476, 30877, 32186, 48521, 53333, 61754, 64372, 83809, 97042, 106666, 123508, 167618, 194084, 213332, 335236, 339647, 586663, 679294, 921899, 1173326, 1358588, 1843798, 2346652, 3687596, 6453293, 12906586, 25813172]

約数ペア:

[(1, 25813172), (2, 12906586), (4, 6453293), (7, 3687596), (11, 2346652), (14, 1843798), (19, 1358588), (22, 1173326), (28, 921899), (38, 679294), (44, 586663), (76, 339647), (77, 335236), (121, 213332), (133, 194084), (154, 167618), (209, 123508), (242, 106666), (266, 97042), (308, 83809), (401, 64372), (418, 61754), (484, 53333), (532, 48521), (802, 32186), (836, 30877), (847, 30476), (1463, 17644), (1604, 16093), (1694, 15238), (2299, 11228), (2807, 9196), (2926, 8822), (3388, 7619), (4411, 5852), (4598, 5614)]