428573915

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 669081600

約数和(自身を除く): 240507685

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 149, 155, 217, 241, 341, 385, 745, 1043, 1085, 1205, 1639, 1687, 1705, 2387, 2651, 4619, 5215, 7471, 8195, 8435, 11473, 11935, 13255, 18557, 23095, 32333, 35909, 37355, 50809, 52297, 57365, 82181, 92785, 161665, 179545, 251363, 254045, 261485, 355663, 394999, 410905, 575267, 1113179, 1256815, 1778315, 1974995, 2764993, 2876335, 5565895, 7792253, 12244969, 13824965, 38961265, 61224845, 85714783, 428573915]

約数ペア:

[(1, 428573915), (5, 85714783), (7, 61224845), (11, 38961265), (31, 13824965), (35, 12244969), (55, 7792253), (77, 5565895), (149, 2876335), (155, 2764993), (217, 1974995), (241, 1778315), (341, 1256815), (385, 1113179), (745, 575267), (1043, 410905), (1085, 394999), (1205, 355663), (1639, 261485), (1687, 254045), (1705, 251363), (2387, 179545), (2651, 161665), (4619, 92785), (5215, 82181), (7471, 57365), (8195, 52297), (8435, 50809), (11473, 37355), (11935, 35909), (13255, 32333), (18557, 23095)]