51257724

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{487}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 140192640

約数和(自身を除く): 88934916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 179, 196, 294, 358, 487, 537, 588, 716, 974, 1074, 1253, 1461, 1948, 2148, 2506, 2922, 3409, 3759, 5012, 5844, 6818, 7518, 8771, 10227, 13636, 15036, 17542, 20454, 23863, 26313, 35084, 40908, 47726, 52626, 71589, 87173, 95452, 105252, 143178, 174346, 261519, 286356, 348692, 523038, 610211, 1046076, 1220422, 1830633, 2440844, 3661266, 4271477, 7322532, 8542954, 12814431, 17085908, 25628862, 51257724]

約数ペア:

[(1, 51257724), (2, 25628862), (3, 17085908), (4, 12814431), (6, 8542954), (7, 7322532), (12, 4271477), (14, 3661266), (21, 2440844), (28, 1830633), (42, 1220422), (49, 1046076), (84, 610211), (98, 523038), (147, 348692), (179, 286356), (196, 261519), (294, 174346), (358, 143178), (487, 105252), (537, 95452), (588, 87173), (716, 71589), (974, 52626), (1074, 47726), (1253, 40908), (1461, 35084), (1948, 26313), (2148, 23863), (2506, 20454), (2922, 17542), (3409, 15036), (3759, 13636), (5012, 10227), (5844, 8771), (6818, 7518)]