28274142

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 63814464

約数和(自身を除く): 35540322

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 97, 101, 111, 194, 202, 222, 291, 303, 481, 582, 606, 962, 1261, 1313, 1443, 2522, 2626, 2886, 3589, 3737, 3783, 3939, 7178, 7474, 7566, 7878, 9797, 10767, 11211, 19594, 21534, 22422, 29391, 46657, 48581, 58782, 93314, 97162, 127361, 139971, 145743, 254722, 279942, 291486, 362489, 382083, 724978, 764166, 1087467, 2174934, 4712357, 9424714, 14137071, 28274142]

約数ペア:

[(1, 28274142), (2, 14137071), (3, 9424714), (6, 4712357), (13, 2174934), (26, 1087467), (37, 764166), (39, 724978), (74, 382083), (78, 362489), (97, 291486), (101, 279942), (111, 254722), (194, 145743), (202, 139971), (222, 127361), (291, 97162), (303, 93314), (481, 58782), (582, 48581), (606, 46657), (962, 29391), (1261, 22422), (1313, 21534), (1443, 19594), (2522, 11211), (2626, 10767), (2886, 9797), (3589, 7878), (3737, 7566), (3783, 7474), (3939, 7178)]