216524

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:78

約数の個数: 48

約数和(自身を含む): 510720

約数和(自身を除く): 294196

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 37, 38, 44, 74, 76, 77, 133, 148, 154, 209, 259, 266, 308, 407, 418, 518, 532, 703, 814, 836, 1036, 1406, 1463, 1628, 2812, 2849, 2926, 4921, 5698, 5852, 7733, 9842, 11396, 15466, 19684, 30932, 54131, 108262, 216524]

約数ペア:

[(1, 216524), (2, 108262), (4, 54131), (7, 30932), (11, 19684), (14, 15466), (19, 11396), (22, 9842), (28, 7733), (37, 5852), (38, 5698), (44, 4921), (74, 2926), (76, 2849), (77, 2812), (133, 1628), (148, 1463), (154, 1406), (209, 1036), (259, 836), (266, 814), (308, 703), (407, 532), (418, 518)]