208398288

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{620233}}^1$

素因数の和:620251

約数の個数: 40

約数和(自身を含む): 615272128

約数和(自身を除く): 406873840

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 620233, 1240466, 1860699, 2480932, 3721398, 4341631, 4961864, 7442796, 8683262, 9923728, 13024893, 14885592, 17366524, 26049786, 29771184, 34733048, 52099572, 69466096, 104199144, 208398288]

約数ペア:

[(1, 208398288), (2, 104199144), (3, 69466096), (4, 52099572), (6, 34733048), (7, 29771184), (8, 26049786), (12, 17366524), (14, 14885592), (16, 13024893), (21, 9923728), (24, 8683262), (28, 7442796), (42, 4961864), (48, 4341631), (56, 3721398), (84, 2480932), (112, 1860699), (168, 1240466), (336, 620233)]