291208327172

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1\times {\mathrm{247691}}^1$

素因数の和:248112

約数の個数: 48

約数和(自身を含む): 588119884800

約数和(自身を除く): 296911557628

約数列:

[1, 2, 4, 7, 14, 28, 199, 211, 398, 422, 796, 844, 1393, 1477, 2786, 2954, 5572, 5908, 41989, 83978, 167956, 247691, 293923, 495382, 587846, 990764, 1175692, 1733837, 3467674, 6935348, 49290509, 52262801, 98581018, 104525602, 197162036, 209051204, 345033563, 365839607, 690067126, 731679214, 1380134252, 1463358428, 10400297399, 20800594798, 41601189596, 72802081793, 145604163586, 291208327172]

約数ペア:

[(1, 291208327172), (2, 145604163586), (4, 72802081793), (7, 41601189596), (14, 20800594798), (28, 10400297399), (199, 1463358428), (211, 1380134252), (398, 731679214), (422, 690067126), (796, 365839607), (844, 345033563), (1393, 209051204), (1477, 197162036), (2786, 104525602), (2954, 98581018), (5572, 52262801), (5908, 49290509), (41989, 6935348), (83978, 3467674), (167956, 1733837), (247691, 1175692), (293923, 990764), (495382, 587846)]