389216464

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{20563}}^1$

素因数の和:20604

約数の個数: 60

約数和(自身を含む): 933276576

約数和(自身を除く): 544060112

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1183, 1352, 1456, 2366, 2704, 4732, 9464, 18928, 20563, 41126, 82252, 143941, 164504, 267319, 287882, 329008, 534638, 575764, 1069276, 1151528, 1871233, 2138552, 2303056, 3475147, 3742466, 4277104, 6950294, 7484932, 13900588, 14969864, 24326029, 27801176, 29939728, 48652058, 55602352, 97304116, 194608232, 389216464]

約数ペア:

[(1, 389216464), (2, 194608232), (4, 97304116), (7, 55602352), (8, 48652058), (13, 29939728), (14, 27801176), (16, 24326029), (26, 14969864), (28, 13900588), (52, 7484932), (56, 6950294), (91, 4277104), (104, 3742466), (112, 3475147), (169, 2303056), (182, 2138552), (208, 1871233), (338, 1151528), (364, 1069276), (676, 575764), (728, 534638), (1183, 329008), (1352, 287882), (1456, 267319), (2366, 164504), (2704, 143941), (4732, 82252), (9464, 41126), (18928, 20563)]