28565628

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 86605344

約数和(自身を除く): 58039716

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 37, 39, 42, 49, 52, 74, 78, 84, 91, 98, 101, 111, 147, 148, 156, 182, 196, 202, 222, 259, 273, 294, 303, 364, 404, 444, 481, 518, 546, 588, 606, 637, 707, 777, 962, 1036, 1092, 1212, 1274, 1313, 1414, 1443, 1554, 1813, 1911, 1924, 2121, 2548, 2626, 2828, 2886, 3108, 3367, 3626, 3737, 3822, 3939, 4242, 4949, 5252, 5439, 5772, 6734, 7252, 7474, 7644, 7878, 8484, 9191, 9898, 10101, 10878, 11211, 13468, 14847, 14948, 15756, 18382, 19796, 20202, 21756, 22422, 23569, 26159, 27573, 29694, 36764, 40404, 44844, 47138, 48581, 52318, 55146, 59388, 64337, 70707, 78477, 94276, 97162, 104636, 110292, 128674, 141414, 145743, 156954, 183113, 193011, 194324, 257348, 282828, 291486, 313908, 340067, 366226, 386022, 549339, 582972, 680134, 732452, 772044, 1020201, 1098678, 1360268, 2040402, 2197356, 2380469, 4080804, 4760938, 7141407, 9521876, 14282814, 28565628]

約数ペア:

[(1, 28565628), (2, 14282814), (3, 9521876), (4, 7141407), (6, 4760938), (7, 4080804), (12, 2380469), (13, 2197356), (14, 2040402), (21, 1360268), (26, 1098678), (28, 1020201), (37, 772044), (39, 732452), (42, 680134), (49, 582972), (52, 549339), (74, 386022), (78, 366226), (84, 340067), (91, 313908), (98, 291486), (101, 282828), (111, 257348), (147, 194324), (148, 193011), (156, 183113), (182, 156954), (196, 145743), (202, 141414), (222, 128674), (259, 110292), (273, 104636), (294, 97162), (303, 94276), (364, 78477), (404, 70707), (444, 64337), (481, 59388), (518, 55146), (546, 52318), (588, 48581), (606, 47138), (637, 44844), (707, 40404), (777, 36764), (962, 29694), (1036, 27573), (1092, 26159), (1212, 23569), (1274, 22422), (1313, 21756), (1414, 20202), (1443, 19796), (1554, 18382), (1813, 15756), (1911, 14948), (1924, 14847), (2121, 13468), (2548, 11211), (2626, 10878), (2828, 10101), (2886, 9898), (3108, 9191), (3367, 8484), (3626, 7878), (3737, 7644), (3822, 7474), (3939, 7252), (4242, 6734), (4949, 5772), (5252, 5439)]