216719664

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{644999}}^1$

素因数の和:645017

約数の個数: 40

約数和(自身を含む): 639840000

約数和(自身を除く): 423120336

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 644999, 1289998, 1934997, 2579996, 3869994, 4514993, 5159992, 7739988, 9029986, 10319984, 13544979, 15479976, 18059972, 27089958, 30959952, 36119944, 54179916, 72239888, 108359832, 216719664]

約数ペア:

[(1, 216719664), (2, 108359832), (3, 72239888), (4, 54179916), (6, 36119944), (7, 30959952), (8, 27089958), (12, 18059972), (14, 15479976), (16, 13544979), (21, 10319984), (24, 9029986), (28, 7739988), (42, 5159992), (48, 4514993), (56, 3869994), (84, 2579996), (112, 1934997), (168, 1289998), (336, 644999)]