64871872

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{757}}^1$

素因数の和:885

約数の個数: 56

約数和(自身を含む): 140163296

約数和(自身を除く): 75291424

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 103, 104, 206, 208, 412, 416, 757, 824, 832, 1339, 1514, 1648, 2678, 3028, 3296, 5356, 6056, 6592, 9841, 10712, 12112, 19682, 21424, 24224, 39364, 42848, 48448, 77971, 78728, 85696, 155942, 157456, 311884, 314912, 623768, 629824, 1013623, 1247536, 2027246, 2495072, 4054492, 4990144, 8108984, 16217968, 32435936, 64871872]

約数ペア:

[(1, 64871872), (2, 32435936), (4, 16217968), (8, 8108984), (13, 4990144), (16, 4054492), (26, 2495072), (32, 2027246), (52, 1247536), (64, 1013623), (103, 629824), (104, 623768), (206, 314912), (208, 311884), (412, 157456), (416, 155942), (757, 85696), (824, 78728), (832, 77971), (1339, 48448), (1514, 42848), (1648, 39364), (2678, 24224), (3028, 21424), (3296, 19682), (5356, 12112), (6056, 10712), (6592, 9841)]