180258988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{2347}}^1$

素因数の和:2582

約数の個数: 48

約数和(自身を含む): 390256384

約数和(自身を除く): 209997396

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 211, 364, 422, 844, 1477, 2347, 2743, 2954, 4694, 5486, 5908, 9388, 10972, 16429, 19201, 30511, 32858, 38402, 61022, 65716, 76804, 122044, 213577, 427154, 495217, 854308, 990434, 1980868, 3466519, 6437821, 6933038, 12875642, 13866076, 25751284, 45064747, 90129494, 180258988]

約数ペア:

[(1, 180258988), (2, 90129494), (4, 45064747), (7, 25751284), (13, 13866076), (14, 12875642), (26, 6933038), (28, 6437821), (52, 3466519), (91, 1980868), (182, 990434), (211, 854308), (364, 495217), (422, 427154), (844, 213577), (1477, 122044), (2347, 76804), (2743, 65716), (2954, 61022), (4694, 38402), (5486, 32858), (5908, 30511), (9388, 19201), (10972, 16429)]