217187412

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{15643}}^1$

素因数の和:15752

約数の個数: 48

約数和(自身を含む): 551920320

約数和(自身を除く): 334732908

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 89, 156, 178, 267, 356, 534, 1068, 1157, 2314, 3471, 4628, 6942, 13884, 15643, 31286, 46929, 62572, 93858, 187716, 203359, 406718, 610077, 813436, 1220154, 1392227, 2440308, 2784454, 4176681, 5568908, 8353362, 16706724, 18098951, 36197902, 54296853, 72395804, 108593706, 217187412]

約数ペア:

[(1, 217187412), (2, 108593706), (3, 72395804), (4, 54296853), (6, 36197902), (12, 18098951), (13, 16706724), (26, 8353362), (39, 5568908), (52, 4176681), (78, 2784454), (89, 2440308), (156, 1392227), (178, 1220154), (267, 813436), (356, 610077), (534, 406718), (1068, 203359), (1157, 187716), (2314, 93858), (3471, 62572), (4628, 46929), (6942, 31286), (13884, 15643)]