208023725

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1499}}^1$

素因数の和:1590

約数の個数: 48

約数和(自身を含む): 322896000

約数和(自身を除く): 114872275

約数列:

[1, 5, 7, 13, 25, 35, 61, 65, 91, 175, 305, 325, 427, 455, 793, 1499, 1525, 2135, 2275, 3965, 5551, 7495, 10493, 10675, 19487, 19825, 27755, 37475, 52465, 91439, 97435, 136409, 138775, 262325, 457195, 487175, 640073, 682045, 1188707, 2285975, 3200365, 3410225, 5943535, 8320949, 16001825, 29717675, 41604745, 208023725]

約数ペア:

[(1, 208023725), (5, 41604745), (7, 29717675), (13, 16001825), (25, 8320949), (35, 5943535), (61, 3410225), (65, 3200365), (91, 2285975), (175, 1188707), (305, 682045), (325, 640073), (427, 487175), (455, 457195), (793, 262325), (1499, 138775), (1525, 136409), (2135, 97435), (2275, 91439), (3965, 52465), (5551, 37475), (7495, 27755), (10493, 19825), (10675, 19487)]