31737784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 67415040

約数和(自身を除く): 35677256

約数列:

[1, 2, 4, 8, 13, 26, 43, 47, 52, 86, 94, 104, 151, 172, 188, 302, 344, 376, 559, 604, 611, 1118, 1208, 1222, 1963, 2021, 2236, 2444, 3926, 4042, 4472, 4888, 6493, 7097, 7852, 8084, 12986, 14194, 15704, 16168, 25972, 26273, 28388, 51944, 52546, 56776, 84409, 92261, 105092, 168818, 184522, 210184, 305171, 337636, 369044, 610342, 675272, 738088, 1220684, 2441368, 3967223, 7934446, 15868892, 31737784]

約数ペア:

[(1, 31737784), (2, 15868892), (4, 7934446), (8, 3967223), (13, 2441368), (26, 1220684), (43, 738088), (47, 675272), (52, 610342), (86, 369044), (94, 337636), (104, 305171), (151, 210184), (172, 184522), (188, 168818), (302, 105092), (344, 92261), (376, 84409), (559, 56776), (604, 52546), (611, 51944), (1118, 28388), (1208, 26273), (1222, 25972), (1963, 16168), (2021, 15704), (2236, 14194), (2444, 12986), (3926, 8084), (4042, 7852), (4472, 7097), (4888, 6493)]