71707216

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1087}}^1$

素因数の和:1152

約数の個数: 80

約数和(自身を含む): 172687360

約数和(自身を除く): 100980144

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 133, 152, 217, 248, 266, 304, 434, 496, 532, 589, 868, 1064, 1087, 1178, 1736, 2128, 2174, 2356, 3472, 4123, 4348, 4712, 7609, 8246, 8696, 9424, 15218, 16492, 17392, 20653, 30436, 32984, 33697, 41306, 60872, 65968, 67394, 82612, 121744, 134788, 144571, 165224, 235879, 269576, 289142, 330448, 471758, 539152, 578284, 640243, 943516, 1156568, 1280486, 1887032, 2313136, 2560972, 3774064, 4481701, 5121944, 8963402, 10243888, 17926804, 35853608, 71707216]

約数ペア:

[(1, 71707216), (2, 35853608), (4, 17926804), (7, 10243888), (8, 8963402), (14, 5121944), (16, 4481701), (19, 3774064), (28, 2560972), (31, 2313136), (38, 1887032), (56, 1280486), (62, 1156568), (76, 943516), (112, 640243), (124, 578284), (133, 539152), (152, 471758), (217, 330448), (248, 289142), (266, 269576), (304, 235879), (434, 165224), (496, 144571), (532, 134788), (589, 121744), (868, 82612), (1064, 67394), (1087, 65968), (1178, 60872), (1736, 41306), (2128, 33697), (2174, 32984), (2356, 30436), (3472, 20653), (4123, 17392), (4348, 16492), (4712, 15218), (7609, 9424), (8246, 8696)]