247620412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{11311}}^1$

素因数の和:11749

約数の個数: 24

約数和(自身を含む): 467819072

約数和(自身を除く): 220198660

約数列:

[1, 2, 4, 13, 26, 52, 421, 842, 1684, 5473, 10946, 11311, 21892, 22622, 45244, 147043, 294086, 588172, 4761931, 9523862, 19047724, 61905103, 123810206, 247620412]

約数ペア:

[(1, 247620412), (2, 123810206), (4, 61905103), (13, 19047724), (26, 9523862), (52, 4761931), (421, 588172), (842, 294086), (1684, 147043), (5473, 45244), (10946, 22622), (11311, 21892)]