221215344

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{658379}}^1$

素因数の和:658397

約数の個数: 40

約数和(自身を含む): 653112960

約数和(自身を除く): 431897616

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 658379, 1316758, 1975137, 2633516, 3950274, 4608653, 5267032, 7900548, 9217306, 10534064, 13825959, 15801096, 18434612, 27651918, 31602192, 36869224, 55303836, 73738448, 110607672, 221215344]

約数ペア:

[(1, 221215344), (2, 110607672), (3, 73738448), (4, 55303836), (6, 36869224), (7, 31602192), (8, 27651918), (12, 18434612), (14, 15801096), (16, 13825959), (21, 10534064), (24, 9217306), (28, 7900548), (42, 5267032), (48, 4608653), (56, 3950274), (84, 2633516), (112, 1975137), (168, 1316758), (336, 658379)]