1689376

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:185

約数の個数: 48

約数和(自身を含む): 3725568

約数和(自身を除く): 2036192

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 131, 208, 248, 262, 403, 416, 496, 524, 806, 992, 1048, 1612, 1703, 2096, 3224, 3406, 4061, 4192, 6448, 6812, 8122, 12896, 13624, 16244, 27248, 32488, 52793, 54496, 64976, 105586, 129952, 211172, 422344, 844688, 1689376]

約数ペア:

[(1, 1689376), (2, 844688), (4, 422344), (8, 211172), (13, 129952), (16, 105586), (26, 64976), (31, 54496), (32, 52793), (52, 32488), (62, 27248), (104, 16244), (124, 13624), (131, 12896), (208, 8122), (248, 6812), (262, 6448), (403, 4192), (416, 4061), (496, 3406), (524, 3224), (806, 2096), (992, 1703), (1048, 1612)]