208766688

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^2$

素因数の和:844

約数の個数: 72

約数和(自身を含む): 591613848

約数和(自身を除く): 382847160

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 409, 416, 624, 818, 1227, 1248, 1636, 2454, 3272, 4908, 5317, 6544, 9816, 10634, 13088, 15951, 19632, 21268, 31902, 39264, 42536, 63804, 85072, 127608, 167281, 170144, 255216, 334562, 501843, 510432, 669124, 1003686, 1338248, 2007372, 2174653, 2676496, 4014744, 4349306, 5352992, 6523959, 8029488, 8698612, 13047918, 16058976, 17397224, 26095836, 34794448, 52191672, 69588896, 104383344, 208766688]

約数ペア:

[(1, 208766688), (2, 104383344), (3, 69588896), (4, 52191672), (6, 34794448), (8, 26095836), (12, 17397224), (13, 16058976), (16, 13047918), (24, 8698612), (26, 8029488), (32, 6523959), (39, 5352992), (48, 4349306), (52, 4014744), (78, 2676496), (96, 2174653), (104, 2007372), (156, 1338248), (208, 1003686), (312, 669124), (409, 510432), (416, 501843), (624, 334562), (818, 255216), (1227, 170144), (1248, 167281), (1636, 127608), (2454, 85072), (3272, 63804), (4908, 42536), (5317, 39264), (6544, 31902), (9816, 21268), (10634, 19632), (13088, 15951)]