80901772

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{631}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 171297280

約数和(自身を除く): 90395508

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 241, 266, 482, 532, 631, 964, 1262, 1687, 2524, 3374, 4417, 4579, 6748, 8834, 9158, 11989, 17668, 18316, 23978, 32053, 47956, 64106, 83923, 128212, 152071, 167846, 304142, 335692, 608284, 1064497, 2128994, 2889349, 4257988, 5778698, 11557396, 20225443, 40450886, 80901772]

約数ペア:

[(1, 80901772), (2, 40450886), (4, 20225443), (7, 11557396), (14, 5778698), (19, 4257988), (28, 2889349), (38, 2128994), (76, 1064497), (133, 608284), (241, 335692), (266, 304142), (482, 167846), (532, 152071), (631, 128212), (964, 83923), (1262, 64106), (1687, 47956), (2524, 32053), (3374, 23978), (4417, 18316), (4579, 17668), (6748, 11989), (8834, 9158)]