13905004

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 24872400

約数和(自身を除く): 10967396

約数列:

[1, 2, 4, 89, 139, 178, 278, 281, 356, 556, 562, 1124, 12371, 24742, 25009, 39059, 49484, 50018, 78118, 100036, 156236, 3476251, 6952502, 13905004]

約数ペア:

[(1, 13905004), (2, 6952502), (4, 3476251), (89, 156236), (139, 100036), (178, 78118), (278, 50018), (281, 49484), (356, 39059), (556, 25009), (562, 24742), (1124, 12371)]