198804918

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{491}}^1$

素因数の和:717

約数の個数: 64

約数和(自身を含む): 446342400

約数和(自身を除く): 247537482

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 179, 358, 377, 491, 537, 754, 982, 1074, 1131, 1473, 2262, 2327, 2946, 4654, 5191, 6383, 6981, 10382, 12766, 13962, 14239, 15573, 19149, 28478, 31146, 38298, 42717, 67483, 85434, 87889, 134966, 175778, 185107, 202449, 263667, 370214, 404898, 527334, 555321, 1110642, 1142557, 2285114, 2548781, 3427671, 5097562, 6855342, 7646343, 15292686, 33134153, 66268306, 99402459, 198804918]

約数ペア:

[(1, 198804918), (2, 99402459), (3, 66268306), (6, 33134153), (13, 15292686), (26, 7646343), (29, 6855342), (39, 5097562), (58, 3427671), (78, 2548781), (87, 2285114), (174, 1142557), (179, 1110642), (358, 555321), (377, 527334), (491, 404898), (537, 370214), (754, 263667), (982, 202449), (1074, 185107), (1131, 175778), (1473, 134966), (2262, 87889), (2327, 85434), (2946, 67483), (4654, 42717), (5191, 38298), (6383, 31146), (6981, 28478), (10382, 19149), (12766, 15573), (13962, 14239)]