71889928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 152020800

約数和(自身を除く): 80130872

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 89, 134, 137, 178, 268, 274, 356, 536, 548, 712, 737, 979, 1096, 1474, 1507, 1958, 2948, 3014, 3916, 5896, 5963, 6028, 7832, 9179, 11926, 12056, 12193, 18358, 23852, 24386, 36716, 47704, 48772, 65593, 73432, 97544, 100969, 131186, 134123, 201938, 262372, 268246, 403876, 524744, 536492, 807752, 816931, 1072984, 1633862, 3267724, 6535448, 8986241, 17972482, 35944964, 71889928]

約数ペア:

[(1, 71889928), (2, 35944964), (4, 17972482), (8, 8986241), (11, 6535448), (22, 3267724), (44, 1633862), (67, 1072984), (88, 816931), (89, 807752), (134, 536492), (137, 524744), (178, 403876), (268, 268246), (274, 262372), (356, 201938), (536, 134123), (548, 131186), (712, 100969), (737, 97544), (979, 73432), (1096, 65593), (1474, 48772), (1507, 47704), (1958, 36716), (2948, 24386), (3014, 23852), (3916, 18358), (5896, 12193), (5963, 12056), (6028, 11926), (7832, 9179)]