81445844

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 156473856

約数和(自身を除く): 75028012

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 131, 164, 223, 262, 446, 524, 697, 892, 1394, 2227, 2788, 3791, 4454, 5371, 7582, 8908, 9143, 10742, 15164, 18286, 21484, 29213, 36572, 58426, 91307, 116852, 155431, 182614, 310862, 365228, 496621, 621724, 993242, 1197733, 1986484, 2395466, 4790932, 20361461, 40722922, 81445844]

約数ペア:

[(1, 81445844), (2, 40722922), (4, 20361461), (17, 4790932), (34, 2395466), (41, 1986484), (68, 1197733), (82, 993242), (131, 621724), (164, 496621), (223, 365228), (262, 310862), (446, 182614), (524, 155431), (697, 116852), (892, 91307), (1394, 58426), (2227, 36572), (2788, 29213), (3791, 21484), (4454, 18286), (5371, 15164), (7582, 10742), (8908, 9143)]