1999459712

素因数分解:

$2^7\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{2039}}^1$

素因数の和:2263

約数の個数: 64

約数和(自身を含む): 4095014400

約数和(自身を除く): 2095554688

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 163, 188, 326, 376, 652, 752, 1304, 1504, 2039, 2608, 3008, 4078, 5216, 6016, 7661, 8156, 10432, 15322, 16312, 20864, 30644, 32624, 61288, 65248, 95833, 122576, 130496, 191666, 245152, 260992, 332357, 383332, 490304, 664714, 766664, 980608, 1329428, 1533328, 2658856, 3066656, 5317712, 6133312, 10635424, 12266624, 15620779, 21270848, 31241558, 42541696, 62483116, 124966232, 249932464, 499864928, 999729856, 1999459712]

約数ペア:

[(1, 1999459712), (2, 999729856), (4, 499864928), (8, 249932464), (16, 124966232), (32, 62483116), (47, 42541696), (64, 31241558), (94, 21270848), (128, 15620779), (163, 12266624), (188, 10635424), (326, 6133312), (376, 5317712), (652, 3066656), (752, 2658856), (1304, 1533328), (1504, 1329428), (2039, 980608), (2608, 766664), (3008, 664714), (4078, 490304), (5216, 383332), (6016, 332357), (7661, 260992), (8156, 245152), (10432, 191666), (15322, 130496), (16312, 122576), (20864, 95833), (30644, 65248), (32624, 61288)]