81947152

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:528

約数の個数: 80

約数和(自身を含む): 193459840

約数和(自身を除く): 111512688

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 97, 112, 133, 152, 194, 266, 304, 388, 397, 532, 679, 776, 794, 1064, 1358, 1552, 1588, 1843, 2128, 2716, 2779, 3176, 3686, 5432, 5558, 6352, 7372, 7543, 10864, 11116, 12901, 14744, 15086, 22232, 25802, 29488, 30172, 38509, 44464, 51604, 52801, 60344, 77018, 103208, 105602, 120688, 154036, 206416, 211204, 269563, 308072, 422408, 539126, 616144, 731671, 844816, 1078252, 1463342, 2156504, 2926684, 4313008, 5121697, 5853368, 10243394, 11706736, 20486788, 40973576, 81947152]

約数ペア:

[(1, 81947152), (2, 40973576), (4, 20486788), (7, 11706736), (8, 10243394), (14, 5853368), (16, 5121697), (19, 4313008), (28, 2926684), (38, 2156504), (56, 1463342), (76, 1078252), (97, 844816), (112, 731671), (133, 616144), (152, 539126), (194, 422408), (266, 308072), (304, 269563), (388, 211204), (397, 206416), (532, 154036), (679, 120688), (776, 105602), (794, 103208), (1064, 77018), (1358, 60344), (1552, 52801), (1588, 51604), (1843, 44464), (2128, 38509), (2716, 30172), (2779, 29488), (3176, 25802), (3686, 22232), (5432, 15086), (5558, 14744), (6352, 12901), (7372, 11116), (7543, 10864)]