1998145708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1\times {\mathrm{1553}}^1$

素因数の和:1906

約数の個数: 48

約数和(自身を含む): 3819483360

約数和(自身を除く): 1821337652

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 227, 436, 454, 908, 1417, 1553, 2834, 2951, 3106, 5668, 5902, 6212, 11804, 20189, 24743, 40378, 49486, 80756, 98972, 169277, 321659, 338554, 352531, 643318, 677108, 705062, 1286636, 1410124, 2200601, 4401202, 4582903, 8802404, 9165806, 18331612, 38425879, 76851758, 153703516, 499536427, 999072854, 1998145708]

約数ペア:

[(1, 1998145708), (2, 999072854), (4, 499536427), (13, 153703516), (26, 76851758), (52, 38425879), (109, 18331612), (218, 9165806), (227, 8802404), (436, 4582903), (454, 4401202), (908, 2200601), (1417, 1410124), (1553, 1286636), (2834, 705062), (2951, 677108), (3106, 643318), (5668, 352531), (5902, 338554), (6212, 321659), (11804, 169277), (20189, 98972), (24743, 80756), (40378, 49486)]