2017491749

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 2723742720

約数和(自身を除く): 706250971

約数列:

[1, 7, 13, 29, 31, 49, 91, 169, 203, 217, 271, 377, 403, 637, 899, 1183, 1421, 1519, 1897, 2639, 2821, 3523, 4901, 5239, 6293, 7859, 8281, 8401, 11687, 13279, 18473, 19747, 24661, 34307, 36673, 44051, 45799, 55013, 58807, 81809, 102167, 109213, 151931, 172627, 240149, 243629, 256711, 320593, 385091, 411649, 572663, 715169, 764491, 1063517, 1328171, 1419769, 1705403, 2244151, 3167177, 5006183, 5351437, 7444619, 9297197, 9938383, 11937821, 22170239, 41173301, 65080379, 69568681, 155191673, 288213107, 2017491749]

約数ペア:

[(1, 2017491749), (7, 288213107), (13, 155191673), (29, 69568681), (31, 65080379), (49, 41173301), (91, 22170239), (169, 11937821), (203, 9938383), (217, 9297197), (271, 7444619), (377, 5351437), (403, 5006183), (637, 3167177), (899, 2244151), (1183, 1705403), (1421, 1419769), (1519, 1328171), (1897, 1063517), (2639, 764491), (2821, 715169), (3523, 572663), (4901, 411649), (5239, 385091), (6293, 320593), (7859, 256711), (8281, 243629), (8401, 240149), (11687, 172627), (13279, 151931), (18473, 109213), (19747, 102167), (24661, 81809), (34307, 58807), (36673, 55013), (44051, 45799)]