209215612

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1583}}^1$

素因数の和:1690

約数の個数: 48

約数和(自身を含む): 404490240

約数和(自身を除く): 195274628

約数列:

[1, 2, 4, 19, 37, 38, 47, 74, 76, 94, 148, 188, 703, 893, 1406, 1583, 1739, 1786, 2812, 3166, 3478, 3572, 6332, 6956, 30077, 33041, 58571, 60154, 66082, 74401, 117142, 120308, 132164, 148802, 234284, 297604, 1112849, 1413619, 2225698, 2752837, 2827238, 4451396, 5505674, 5654476, 11011348, 52303903, 104607806, 209215612]

約数ペア:

[(1, 209215612), (2, 104607806), (4, 52303903), (19, 11011348), (37, 5654476), (38, 5505674), (47, 4451396), (74, 2827238), (76, 2752837), (94, 2225698), (148, 1413619), (188, 1112849), (703, 297604), (893, 234284), (1406, 148802), (1583, 132164), (1739, 120308), (1786, 117142), (2812, 74401), (3166, 66082), (3478, 60154), (3572, 58571), (6332, 33041), (6956, 30077)]