16621284

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 23295516

約数列:

[1, 2, 3, 4, 6, 12, 79, 89, 158, 178, 197, 237, 267, 316, 356, 394, 474, 534, 591, 788, 948, 1068, 1182, 2364, 7031, 14062, 15563, 17533, 21093, 28124, 31126, 35066, 42186, 46689, 52599, 62252, 70132, 84372, 93378, 105198, 186756, 210396, 1385107, 2770214, 4155321, 5540428, 8310642, 16621284]

約数ペア:

[(1, 16621284), (2, 8310642), (3, 5540428), (4, 4155321), (6, 2770214), (12, 1385107), (79, 210396), (89, 186756), (158, 105198), (178, 93378), (197, 84372), (237, 70132), (267, 62252), (316, 52599), (356, 46689), (394, 42186), (474, 35066), (534, 31126), (591, 28124), (788, 21093), (948, 17533), (1068, 15563), (1182, 14062), (2364, 7031)]