81479762

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{8447}}^1$

素因数の和:8522

約数の個数: 32

約数和(自身を含む): 153280512

約数和(自身を除く): 71800750

約数列:

[1, 2, 7, 13, 14, 26, 53, 91, 106, 182, 371, 689, 742, 1378, 4823, 8447, 9646, 16894, 59129, 109811, 118258, 219622, 447691, 768677, 895382, 1537354, 3133837, 5819983, 6267674, 11639966, 40739881, 81479762]

約数ペア:

[(1, 81479762), (2, 40739881), (7, 11639966), (13, 6267674), (14, 5819983), (26, 3133837), (53, 1537354), (91, 895382), (106, 768677), (182, 447691), (371, 219622), (689, 118258), (742, 109811), (1378, 59129), (4823, 16894), (8447, 9646)]