251890398

素因数分解:

$2^1\times 3^5\times {\mathrm{523}}^1\times {\mathrm{991}}^1$

素因数の和:1531

約数の個数: 48

約数和(自身を含む): 567630336

約数和(自身を除く): 315739938

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 523, 991, 1046, 1569, 1982, 2973, 3138, 4707, 5946, 8919, 9414, 14121, 17838, 26757, 28242, 42363, 53514, 80271, 84726, 127089, 160542, 240813, 254178, 481626, 518293, 1036586, 1554879, 3109758, 4664637, 9329274, 13993911, 27987822, 41981733, 83963466, 125945199, 251890398]

約数ペア:

[(1, 251890398), (2, 125945199), (3, 83963466), (6, 41981733), (9, 27987822), (18, 13993911), (27, 9329274), (54, 4664637), (81, 3109758), (162, 1554879), (243, 1036586), (486, 518293), (523, 481626), (991, 254178), (1046, 240813), (1569, 160542), (1982, 127089), (2973, 84726), (3138, 80271), (4707, 53514), (5946, 42363), (8919, 28242), (9414, 26757), (14121, 17838)]