81249844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 158336640

約数和(自身を除く): 77086796

約数列:

[1, 2, 4, 13, 26, 52, 59, 71, 118, 142, 236, 284, 373, 746, 767, 923, 1492, 1534, 1846, 3068, 3692, 4189, 4849, 8378, 9698, 16756, 19396, 22007, 26483, 44014, 52966, 54457, 88028, 105932, 108914, 217828, 286091, 344279, 572182, 688558, 1144364, 1377116, 1562497, 3124994, 6249988, 20312461, 40624922, 81249844]

約数ペア:

[(1, 81249844), (2, 40624922), (4, 20312461), (13, 6249988), (26, 3124994), (52, 1562497), (59, 1377116), (71, 1144364), (118, 688558), (142, 572182), (236, 344279), (284, 286091), (373, 217828), (746, 108914), (767, 105932), (923, 88028), (1492, 54457), (1534, 52966), (1846, 44014), (3068, 26483), (3692, 22007), (4189, 19396), (4849, 16756), (8378, 9698)]