217021644

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{16249}}^1$

素因数の和:16319

約数の個数: 72

約数和(自身を含む): 638820000

約数和(自身を除く): 421798356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 84, 106, 126, 159, 212, 252, 318, 371, 477, 636, 742, 954, 1113, 1484, 1908, 2226, 3339, 4452, 6678, 13356, 16249, 32498, 48747, 64996, 97494, 113743, 146241, 194988, 227486, 292482, 341229, 454972, 584964, 682458, 861197, 1023687, 1364916, 1722394, 2047374, 2583591, 3444788, 4094748, 5167182, 6028379, 7750773, 10334364, 12056758, 15501546, 18085137, 24113516, 31003092, 36170274, 54255411, 72340548, 108510822, 217021644]

約数ペア:

[(1, 217021644), (2, 108510822), (3, 72340548), (4, 54255411), (6, 36170274), (7, 31003092), (9, 24113516), (12, 18085137), (14, 15501546), (18, 12056758), (21, 10334364), (28, 7750773), (36, 6028379), (42, 5167182), (53, 4094748), (63, 3444788), (84, 2583591), (106, 2047374), (126, 1722394), (159, 1364916), (212, 1023687), (252, 861197), (318, 682458), (371, 584964), (477, 454972), (636, 341229), (742, 292482), (954, 227486), (1113, 194988), (1484, 146241), (1908, 113743), (2226, 97494), (3339, 64996), (4452, 48747), (6678, 32498), (13356, 16249)]