2519916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 6800640

約数和(自身を除く): 4280724

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 131, 229, 262, 393, 458, 524, 687, 786, 916, 917, 1374, 1572, 1603, 1834, 2748, 2751, 3206, 3668, 4809, 5502, 6412, 9618, 11004, 19236, 29999, 59998, 89997, 119996, 179994, 209993, 359988, 419986, 629979, 839972, 1259958, 2519916]

約数ペア:

[(1, 2519916), (2, 1259958), (3, 839972), (4, 629979), (6, 419986), (7, 359988), (12, 209993), (14, 179994), (21, 119996), (28, 89997), (42, 59998), (84, 29999), (131, 19236), (229, 11004), (262, 9618), (393, 6412), (458, 5502), (524, 4809), (687, 3668), (786, 3206), (916, 2751), (917, 2748), (1374, 1834), (1572, 1603)]