199645368

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{971}}^1$

素因数の和:1652

約数の個数: 64

約数和(自身を含む): 538876800

約数和(自身を除く): 339231432

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 659, 971, 1318, 1942, 1977, 2636, 2913, 3884, 3954, 5272, 5826, 7768, 7908, 8567, 11652, 12623, 15816, 17134, 23304, 25246, 25701, 34268, 37869, 50492, 51402, 68536, 75738, 100984, 102804, 151476, 205608, 302952, 639889, 1279778, 1919667, 2559556, 3839334, 5119112, 7678668, 8318557, 15357336, 16637114, 24955671, 33274228, 49911342, 66548456, 99822684, 199645368]

約数ペア:

[(1, 199645368), (2, 99822684), (3, 66548456), (4, 49911342), (6, 33274228), (8, 24955671), (12, 16637114), (13, 15357336), (24, 8318557), (26, 7678668), (39, 5119112), (52, 3839334), (78, 2559556), (104, 1919667), (156, 1279778), (312, 639889), (659, 302952), (971, 205608), (1318, 151476), (1942, 102804), (1977, 100984), (2636, 75738), (2913, 68536), (3884, 51402), (3954, 50492), (5272, 37869), (5826, 34268), (7768, 25701), (7908, 25246), (8567, 23304), (11652, 17134), (12623, 15816)]