216675984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{644869}}^1$

素因数の和:644887

約数の個数: 40

約数和(自身を含む): 639711040

約数和(自身を除く): 423035056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 644869, 1289738, 1934607, 2579476, 3869214, 4514083, 5158952, 7738428, 9028166, 10317904, 13542249, 15476856, 18056332, 27084498, 30953712, 36112664, 54168996, 72225328, 108337992, 216675984]

約数ペア:

[(1, 216675984), (2, 108337992), (3, 72225328), (4, 54168996), (6, 36112664), (7, 30953712), (8, 27084498), (12, 18056332), (14, 15476856), (16, 13542249), (21, 10317904), (24, 9028166), (28, 7738428), (42, 5158952), (48, 4514083), (56, 3869214), (84, 2579476), (112, 1934607), (168, 1289738), (336, 644869)]