645957466

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1801}}^1$

素因数の和:1975

約数の個数: 64

約数和(自身を含む): 1289136384

約数和(自身を除く): 643178918

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 137, 154, 187, 238, 274, 374, 959, 1309, 1507, 1801, 1918, 2329, 2618, 3014, 3602, 4658, 10549, 12607, 16303, 19811, 21098, 25214, 25619, 30617, 32606, 39622, 51238, 61234, 138677, 179333, 214319, 246737, 277354, 336787, 358666, 428638, 493474, 673574, 1727159, 2357509, 2714107, 3454318, 4194529, 4715018, 5428214, 8389058, 18998749, 29361703, 37997498, 46139819, 58723406, 92279638, 322978733, 645957466]

約数ペア:

[(1, 645957466), (2, 322978733), (7, 92279638), (11, 58723406), (14, 46139819), (17, 37997498), (22, 29361703), (34, 18998749), (77, 8389058), (119, 5428214), (137, 4715018), (154, 4194529), (187, 3454318), (238, 2714107), (274, 2357509), (374, 1727159), (959, 673574), (1309, 493474), (1507, 428638), (1801, 358666), (1918, 336787), (2329, 277354), (2618, 246737), (3014, 214319), (3602, 179333), (4658, 138677), (10549, 61234), (12607, 51238), (16303, 39622), (19811, 32606), (21098, 30617), (25214, 25619)]