81178832

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:376

約数の個数: 80

約数和(自身を含む): 188178432

約数和(自身を除く): 106999600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 103, 112, 124, 206, 217, 227, 248, 412, 434, 454, 496, 721, 824, 868, 908, 1442, 1589, 1648, 1736, 1816, 2884, 3178, 3193, 3472, 3632, 5768, 6356, 6386, 7037, 11536, 12712, 12772, 14074, 22351, 23381, 25424, 25544, 28148, 44702, 46762, 49259, 51088, 56296, 89404, 93524, 98518, 112592, 163667, 178808, 187048, 197036, 327334, 357616, 374096, 394072, 654668, 724811, 788144, 1309336, 1449622, 2618672, 2899244, 5073677, 5798488, 10147354, 11596976, 20294708, 40589416, 81178832]

約数ペア:

[(1, 81178832), (2, 40589416), (4, 20294708), (7, 11596976), (8, 10147354), (14, 5798488), (16, 5073677), (28, 2899244), (31, 2618672), (56, 1449622), (62, 1309336), (103, 788144), (112, 724811), (124, 654668), (206, 394072), (217, 374096), (227, 357616), (248, 327334), (412, 197036), (434, 187048), (454, 178808), (496, 163667), (721, 112592), (824, 98518), (868, 93524), (908, 89404), (1442, 56296), (1589, 51088), (1648, 49259), (1736, 46762), (1816, 44702), (2884, 28148), (3178, 25544), (3193, 25424), (3472, 23381), (3632, 22351), (5768, 14074), (6356, 12772), (6386, 12712), (7037, 11536)]