398429486

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1039}}^1$

素因数の和:1118

約数の個数: 64

約数和(自身を含む): 768768000

約数和(自身を除く): 370338514

約数列:

[1, 2, 7, 13, 14, 26, 43, 49, 86, 91, 98, 182, 301, 343, 559, 602, 637, 686, 1039, 1118, 1274, 2078, 2107, 3913, 4214, 4459, 7273, 7826, 8918, 13507, 14546, 14749, 27014, 27391, 29498, 44677, 50911, 54782, 89354, 94549, 101822, 189098, 191737, 312739, 356377, 383474, 580801, 625478, 661843, 712754, 1161602, 1323686, 2189173, 4065607, 4378346, 4632901, 8131214, 9265802, 15324211, 28459249, 30648422, 56918498, 199214743, 398429486]

約数ペア:

[(1, 398429486), (2, 199214743), (7, 56918498), (13, 30648422), (14, 28459249), (26, 15324211), (43, 9265802), (49, 8131214), (86, 4632901), (91, 4378346), (98, 4065607), (182, 2189173), (301, 1323686), (343, 1161602), (559, 712754), (602, 661843), (637, 625478), (686, 580801), (1039, 383474), (1118, 356377), (1274, 312739), (2078, 191737), (2107, 189098), (3913, 101822), (4214, 94549), (4459, 89354), (7273, 54782), (7826, 50911), (8918, 44677), (13507, 29498), (14546, 27391), (14749, 27014)]