208045904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{16649}}^1$

素因数の和:16739

約数の個数: 40

約数和(自身を含む): 445953600

約数和(自身を除く): 237907696

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1562, 3124, 6248, 12496, 16649, 33298, 66596, 133192, 183139, 266384, 366278, 732556, 1182079, 1465112, 2364158, 2930224, 4728316, 9456632, 13002869, 18913264, 26005738, 52011476, 104022952, 208045904]

約数ペア:

[(1, 208045904), (2, 104022952), (4, 52011476), (8, 26005738), (11, 18913264), (16, 13002869), (22, 9456632), (44, 4728316), (71, 2930224), (88, 2364158), (142, 1465112), (176, 1182079), (284, 732556), (568, 366278), (781, 266384), (1136, 183139), (1562, 133192), (3124, 66596), (6248, 33298), (12496, 16649)]