997612

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 2257920

約数和(自身を除く): 1260308

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 79, 82, 154, 158, 164, 287, 308, 316, 451, 553, 574, 869, 902, 1106, 1148, 1738, 1804, 2212, 3157, 3239, 3476, 6083, 6314, 6478, 12166, 12628, 12956, 22673, 24332, 35629, 45346, 71258, 90692, 142516, 249403, 498806, 997612]

約数ペア:

[(1, 997612), (2, 498806), (4, 249403), (7, 142516), (11, 90692), (14, 71258), (22, 45346), (28, 35629), (41, 24332), (44, 22673), (77, 12956), (79, 12628), (82, 12166), (154, 6478), (158, 6314), (164, 6083), (287, 3476), (308, 3239), (316, 3157), (451, 2212), (553, 1804), (574, 1738), (869, 1148), (902, 1106)]