638567916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{38201}}^1$

素因数の和:38414

約数の個数: 48

約数和(自身を含む): 1711449600

約数和(自身を除く): 1072881684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 199, 398, 597, 796, 1194, 1393, 2388, 2786, 4179, 5572, 8358, 16716, 38201, 76402, 114603, 152804, 229206, 267407, 458412, 534814, 802221, 1069628, 1604442, 3208884, 7601999, 15203998, 22805997, 30407996, 45611994, 53213993, 91223988, 106427986, 159641979, 212855972, 319283958, 638567916]

約数ペア:

[(1, 638567916), (2, 319283958), (3, 212855972), (4, 159641979), (6, 106427986), (7, 91223988), (12, 53213993), (14, 45611994), (21, 30407996), (28, 22805997), (42, 15203998), (84, 7601999), (199, 3208884), (398, 1604442), (597, 1069628), (796, 802221), (1194, 534814), (1393, 458412), (2388, 267407), (2786, 229206), (4179, 152804), (5572, 114603), (8358, 76402), (16716, 38201)]