221427444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{138739}}^1$

素因数の和:138772

約数の個数: 48

約数和(自身を含む): 621555200

約数和(自身を除く): 400127756

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 138739, 277478, 416217, 554956, 832434, 971173, 1664868, 1942346, 2636041, 2913519, 3884692, 5272082, 5827038, 7908123, 10544164, 11654076, 15816246, 18452287, 31632492, 36904574, 55356861, 73809148, 110713722, 221427444]

約数ペア:

[(1, 221427444), (2, 110713722), (3, 73809148), (4, 55356861), (6, 36904574), (7, 31632492), (12, 18452287), (14, 15816246), (19, 11654076), (21, 10544164), (28, 7908123), (38, 5827038), (42, 5272082), (57, 3884692), (76, 2913519), (84, 2636041), (114, 1942346), (133, 1664868), (228, 971173), (266, 832434), (399, 554956), (532, 416217), (798, 277478), (1596, 138739)]