81165616

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:986

約数の個数: 80

約数和(自身を含む): 194558976

約数和(自身を除く): 113393360

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 47, 56, 68, 94, 112, 119, 136, 188, 238, 272, 329, 376, 476, 658, 752, 799, 907, 952, 1316, 1598, 1814, 1904, 2632, 3196, 3628, 5264, 5593, 6349, 6392, 7256, 11186, 12698, 12784, 14512, 15419, 22372, 25396, 30838, 42629, 44744, 50792, 61676, 85258, 89488, 101584, 107933, 123352, 170516, 215866, 246704, 298403, 341032, 431732, 596806, 682064, 724693, 863464, 1193612, 1449386, 1726928, 2387224, 2898772, 4774448, 5072851, 5797544, 10145702, 11595088, 20291404, 40582808, 81165616]

約数ペア:

[(1, 81165616), (2, 40582808), (4, 20291404), (7, 11595088), (8, 10145702), (14, 5797544), (16, 5072851), (17, 4774448), (28, 2898772), (34, 2387224), (47, 1726928), (56, 1449386), (68, 1193612), (94, 863464), (112, 724693), (119, 682064), (136, 596806), (188, 431732), (238, 341032), (272, 298403), (329, 246704), (376, 215866), (476, 170516), (658, 123352), (752, 107933), (799, 101584), (907, 89488), (952, 85258), (1316, 61676), (1598, 50792), (1814, 44744), (1904, 42629), (2632, 30838), (3196, 25396), (3628, 22372), (5264, 15419), (5593, 14512), (6349, 12784), (6392, 12698), (7256, 11186)]