66791972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 129830400

約数和(自身を除く): 63038428

約数列:

[1, 2, 4, 13, 26, 52, 71, 79, 142, 158, 229, 284, 316, 458, 916, 923, 1027, 1846, 2054, 2977, 3692, 4108, 5609, 5954, 11218, 11908, 16259, 18091, 22436, 32518, 36182, 65036, 72364, 72917, 145834, 211367, 235183, 291668, 422734, 470366, 845468, 940732, 1284461, 2568922, 5137844, 16697993, 33395986, 66791972]

約数ペア:

[(1, 66791972), (2, 33395986), (4, 16697993), (13, 5137844), (26, 2568922), (52, 1284461), (71, 940732), (79, 845468), (142, 470366), (158, 422734), (229, 291668), (284, 235183), (316, 211367), (458, 145834), (916, 72917), (923, 72364), (1027, 65036), (1846, 36182), (2054, 32518), (2977, 22436), (3692, 18091), (4108, 16259), (5609, 11908), (5954, 11218)]