1231791536

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{7481}}^1$

素因数の和:7781

約数の個数: 40

約数和(自身を含む): 2454874128

約数和(自身を除く): 1223082592

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 251, 328, 502, 656, 1004, 2008, 4016, 7481, 10291, 14962, 20582, 29924, 41164, 59848, 82328, 119696, 164656, 306721, 613442, 1226884, 1877731, 2453768, 3755462, 4907536, 7510924, 15021848, 30043696, 76986971, 153973942, 307947884, 615895768, 1231791536]

約数ペア:

[(1, 1231791536), (2, 615895768), (4, 307947884), (8, 153973942), (16, 76986971), (41, 30043696), (82, 15021848), (164, 7510924), (251, 4907536), (328, 3755462), (502, 2453768), (656, 1877731), (1004, 1226884), (2008, 613442), (4016, 306721), (7481, 164656), (10291, 119696), (14962, 82328), (20582, 59848), (29924, 41164)]