251456088

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18743}}^1$

素因数の和:18808

約数の個数: 64

約数和(自身を含む): 692778240

約数和(自身を除く): 441322152

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1677, 2236, 3354, 4472, 6708, 13416, 18743, 37486, 56229, 74972, 112458, 149944, 224916, 243659, 449832, 487318, 730977, 805949, 974636, 1461954, 1611898, 1949272, 2417847, 2923908, 3223796, 4835694, 5847816, 6447592, 9671388, 10477337, 19342776, 20954674, 31432011, 41909348, 62864022, 83818696, 125728044, 251456088]

約数ペア:

[(1, 251456088), (2, 125728044), (3, 83818696), (4, 62864022), (6, 41909348), (8, 31432011), (12, 20954674), (13, 19342776), (24, 10477337), (26, 9671388), (39, 6447592), (43, 5847816), (52, 4835694), (78, 3223796), (86, 2923908), (104, 2417847), (129, 1949272), (156, 1611898), (172, 1461954), (258, 974636), (312, 805949), (344, 730977), (516, 487318), (559, 449832), (1032, 243659), (1118, 224916), (1677, 149944), (2236, 112458), (3354, 74972), (4472, 56229), (6708, 37486), (13416, 18743)]