419664

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{1249}}^1$

素因数の和:1267

約数の個数: 40

約数和(自身を含む): 1240000

約数和(自身を除く): 820336

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 1249, 2498, 3747, 4996, 7494, 8743, 9992, 14988, 17486, 19984, 26229, 29976, 34972, 52458, 59952, 69944, 104916, 139888, 209832, 419664]

約数ペア:

[(1, 419664), (2, 209832), (3, 139888), (4, 104916), (6, 69944), (7, 59952), (8, 52458), (12, 34972), (14, 29976), (16, 26229), (21, 19984), (24, 17486), (28, 14988), (42, 9992), (48, 8743), (56, 7494), (84, 4996), (112, 3747), (168, 2498), (336, 1249)]