1640199512

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{1723}}^1$

素因数の和:2016

約数の個数: 64

約数和(自身を含む): 3574886400

約数和(自身を除く): 1934686888

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 191, 356, 382, 623, 712, 764, 1246, 1337, 1528, 1723, 2492, 2674, 3446, 4984, 5348, 6892, 10696, 12061, 13784, 16999, 24122, 33998, 48244, 67996, 96488, 118993, 135992, 153347, 237986, 306694, 329093, 475972, 613388, 658186, 951944, 1073429, 1226776, 1316372, 2146858, 2303651, 2632744, 4293716, 4607302, 8587432, 9214604, 18429208, 29289277, 58578554, 117157108, 205024939, 234314216, 410049878, 820099756, 1640199512]

約数ペア:

[(1, 1640199512), (2, 820099756), (4, 410049878), (7, 234314216), (8, 205024939), (14, 117157108), (28, 58578554), (56, 29289277), (89, 18429208), (178, 9214604), (191, 8587432), (356, 4607302), (382, 4293716), (623, 2632744), (712, 2303651), (764, 2146858), (1246, 1316372), (1337, 1226776), (1528, 1073429), (1723, 951944), (2492, 658186), (2674, 613388), (3446, 475972), (4984, 329093), (5348, 306694), (6892, 237986), (10696, 153347), (12061, 135992), (13784, 118993), (16999, 96488), (24122, 67996), (33998, 48244)]