644235648

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{239671}}^1$

素因数の和:239695

約数の個数: 64

約数和(自身を含む): 1955723520

約数和(自身を除く): 1311487872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 239671, 479342, 719013, 958684, 1438026, 1677697, 1917368, 2876052, 3355394, 3834736, 5033091, 5752104, 6710788, 7669472, 10066182, 11504208, 13421576, 15338944, 20132364, 23008416, 26843152, 30677888, 40264728, 46016832, 53686304, 80529456, 92033664, 107372608, 161058912, 214745216, 322117824, 644235648]

約数ペア:

[(1, 644235648), (2, 322117824), (3, 214745216), (4, 161058912), (6, 107372608), (7, 92033664), (8, 80529456), (12, 53686304), (14, 46016832), (16, 40264728), (21, 30677888), (24, 26843152), (28, 23008416), (32, 20132364), (42, 15338944), (48, 13421576), (56, 11504208), (64, 10066182), (84, 7669472), (96, 6710788), (112, 5752104), (128, 5033091), (168, 3834736), (192, 3355394), (224, 2876052), (336, 1917368), (384, 1677697), (448, 1438026), (672, 958684), (896, 719013), (1344, 479342), (2688, 239671)]