209121458

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{8387}}^1$

素因数の和:8546

約数の個数: 32

約数和(自身を含む): 388934784

約数和(自身を除く): 179813326

約数列:

[1, 2, 7, 13, 14, 26, 91, 137, 182, 274, 959, 1781, 1918, 3562, 8387, 12467, 16774, 24934, 58709, 109031, 117418, 218062, 763217, 1149019, 1526434, 2298038, 8043133, 14937247, 16086266, 29874494, 104560729, 209121458]

約数ペア:

[(1, 209121458), (2, 104560729), (7, 29874494), (13, 16086266), (14, 14937247), (26, 8043133), (91, 2298038), (137, 1526434), (182, 1149019), (274, 763217), (959, 218062), (1781, 117418), (1918, 109031), (3562, 58709), (8387, 24934), (12467, 16774)]