2789178

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 6648480

約数和(自身を除く): 3859302

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 53, 98, 106, 147, 159, 179, 294, 318, 358, 371, 537, 742, 1074, 1113, 1253, 2226, 2506, 2597, 3759, 5194, 7518, 7791, 8771, 9487, 15582, 17542, 18974, 26313, 28461, 52626, 56922, 66409, 132818, 199227, 398454, 464863, 929726, 1394589, 2789178]

約数ペア:

[(1, 2789178), (2, 1394589), (3, 929726), (6, 464863), (7, 398454), (14, 199227), (21, 132818), (42, 66409), (49, 56922), (53, 52626), (98, 28461), (106, 26313), (147, 18974), (159, 17542), (179, 15582), (294, 9487), (318, 8771), (358, 7791), (371, 7518), (537, 5194), (742, 3759), (1074, 2597), (1113, 2506), (1253, 2226)]