73921295

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 104011776

約数和(自身を除く): 30090481

約数列:

[1, 5, 7, 35, 71, 151, 197, 355, 497, 755, 985, 1057, 1379, 2485, 5285, 6895, 10721, 13987, 29747, 53605, 69935, 75047, 97909, 148735, 208229, 375235, 489545, 1041145, 2112037, 10560185, 14784259, 73921295]

約数ペア:

[(1, 73921295), (5, 14784259), (7, 10560185), (35, 2112037), (71, 1041145), (151, 489545), (197, 375235), (355, 208229), (497, 148735), (755, 97909), (985, 75047), (1057, 69935), (1379, 53605), (2485, 29747), (5285, 13987), (6895, 10721)]