1285259864

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{9221}}^1$

素因数の和:9384

約数の個数: 64

約数和(自身を含む): 2921529600

約数和(自身を除く): 1636269736

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 131, 133, 152, 262, 266, 524, 532, 917, 1048, 1064, 1834, 2489, 3668, 4978, 7336, 9221, 9956, 17423, 18442, 19912, 34846, 36884, 64547, 69692, 73768, 129094, 139384, 175199, 258188, 350398, 516376, 700796, 1207951, 1226393, 1401592, 2415902, 2452786, 4831804, 4905572, 8455657, 9663608, 9811144, 16911314, 22951069, 33822628, 45902138, 67645256, 91804276, 160657483, 183608552, 321314966, 642629932, 1285259864]

約数ペア:

[(1, 1285259864), (2, 642629932), (4, 321314966), (7, 183608552), (8, 160657483), (14, 91804276), (19, 67645256), (28, 45902138), (38, 33822628), (56, 22951069), (76, 16911314), (131, 9811144), (133, 9663608), (152, 8455657), (262, 4905572), (266, 4831804), (524, 2452786), (532, 2415902), (917, 1401592), (1048, 1226393), (1064, 1207951), (1834, 700796), (2489, 516376), (3668, 350398), (4978, 258188), (7336, 175199), (9221, 139384), (9956, 129094), (17423, 73768), (18442, 69692), (19912, 64547), (34846, 36884)]