256411288

素因数分解:

$2^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{30323}}^1$

素因数の和:30487

約数の個数: 32

約数和(自身を含む): 553109760

約数和(自身を除く): 296698472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 151, 302, 604, 1057, 1208, 2114, 4228, 8456, 30323, 60646, 121292, 212261, 242584, 424522, 849044, 1698088, 4578773, 9157546, 18315092, 32051411, 36630184, 64102822, 128205644, 256411288]

約数ペア:

[(1, 256411288), (2, 128205644), (4, 64102822), (7, 36630184), (8, 32051411), (14, 18315092), (28, 9157546), (56, 4578773), (151, 1698088), (302, 849044), (604, 424522), (1057, 242584), (1208, 212261), (2114, 121292), (4228, 60646), (8456, 30323)]