664536656

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{409}}^1$

素因数の和:676

約数の個数: 80

約数和(自身を含む): 1500796800

約数和(自身を除く): 836260144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 163, 178, 326, 356, 409, 623, 652, 712, 818, 1141, 1246, 1304, 1424, 1636, 2282, 2492, 2608, 2863, 3272, 4564, 4984, 5726, 6544, 9128, 9968, 11452, 14507, 18256, 22904, 29014, 36401, 45808, 58028, 66667, 72802, 101549, 116056, 133334, 145604, 203098, 232112, 254807, 266668, 291208, 406196, 466669, 509614, 533336, 582416, 812392, 933338, 1019228, 1066672, 1624784, 1866676, 2038456, 3733352, 4076912, 5933363, 7466704, 11866726, 23733452, 41533541, 47466904, 83067082, 94933808, 166134164, 332268328, 664536656]

約数ペア:

[(1, 664536656), (2, 332268328), (4, 166134164), (7, 94933808), (8, 83067082), (14, 47466904), (16, 41533541), (28, 23733452), (56, 11866726), (89, 7466704), (112, 5933363), (163, 4076912), (178, 3733352), (326, 2038456), (356, 1866676), (409, 1624784), (623, 1066672), (652, 1019228), (712, 933338), (818, 812392), (1141, 582416), (1246, 533336), (1304, 509614), (1424, 466669), (1636, 406196), (2282, 291208), (2492, 266668), (2608, 254807), (2863, 232112), (3272, 203098), (4564, 145604), (4984, 133334), (5726, 116056), (6544, 101549), (9128, 72802), (9968, 66667), (11452, 58028), (14507, 45808), (18256, 36401), (22904, 29014)]