25142852

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{283}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 53437440

約数和(自身を除く): 28294588

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 167, 266, 283, 334, 532, 566, 668, 1132, 1169, 1981, 2338, 3173, 3962, 4676, 5377, 6346, 7924, 10754, 12692, 21508, 22211, 37639, 44422, 47261, 75278, 88844, 94522, 150556, 189044, 330827, 661654, 897959, 1323308, 1795918, 3591836, 6285713, 12571426, 25142852]

約数ペア:

[(1, 25142852), (2, 12571426), (4, 6285713), (7, 3591836), (14, 1795918), (19, 1323308), (28, 897959), (38, 661654), (76, 330827), (133, 189044), (167, 150556), (266, 94522), (283, 88844), (334, 75278), (532, 47261), (566, 44422), (668, 37639), (1132, 22211), (1169, 21508), (1981, 12692), (2338, 10754), (3173, 7924), (3962, 6346), (4676, 5377)]