1291229236

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2099}}^1$

素因数の和:2197

約数の個数: 72

約数和(自身を含む): 2627654400

約数和(自身を除く): 1336425164

約数列:

[1, 2, 4, 11, 22, 31, 41, 44, 62, 82, 121, 124, 164, 242, 341, 451, 484, 682, 902, 1271, 1364, 1804, 2099, 2542, 3751, 4198, 4961, 5084, 7502, 8396, 9922, 13981, 15004, 19844, 23089, 27962, 46178, 55924, 65069, 86059, 92356, 130138, 153791, 172118, 253979, 260276, 307582, 344236, 507958, 615164, 715759, 946649, 1015916, 1431518, 1893298, 2667829, 2863036, 3786596, 5335658, 7873349, 10413139, 10671316, 15746698, 20826278, 29346119, 31493396, 41652556, 58692238, 117384476, 322807309, 645614618, 1291229236]

約数ペア:

[(1, 1291229236), (2, 645614618), (4, 322807309), (11, 117384476), (22, 58692238), (31, 41652556), (41, 31493396), (44, 29346119), (62, 20826278), (82, 15746698), (121, 10671316), (124, 10413139), (164, 7873349), (242, 5335658), (341, 3786596), (451, 2863036), (484, 2667829), (682, 1893298), (902, 1431518), (1271, 1015916), (1364, 946649), (1804, 715759), (2099, 615164), (2542, 507958), (3751, 344236), (4198, 307582), (4961, 260276), (5084, 253979), (7502, 172118), (8396, 153791), (9922, 130138), (13981, 92356), (15004, 86059), (19844, 65069), (23089, 55924), (27962, 46178)]