28179606

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 72279648

約数和(自身を除く): 44100042

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 73, 78, 91, 98, 101, 146, 147, 182, 202, 219, 273, 294, 303, 438, 511, 546, 606, 637, 707, 949, 1022, 1274, 1313, 1414, 1533, 1898, 1911, 2121, 2626, 2847, 3066, 3577, 3822, 3939, 4242, 4949, 5694, 6643, 7154, 7373, 7878, 9191, 9898, 10731, 13286, 14746, 14847, 18382, 19929, 21462, 22119, 27573, 29694, 39858, 44238, 46501, 51611, 55146, 64337, 93002, 95849, 103222, 128674, 139503, 154833, 191698, 193011, 279006, 287547, 309666, 361277, 386022, 575094, 670943, 722554, 1083831, 1341886, 2012829, 2167662, 4025658, 4696601, 9393202, 14089803, 28179606]

約数ペア:

[(1, 28179606), (2, 14089803), (3, 9393202), (6, 4696601), (7, 4025658), (13, 2167662), (14, 2012829), (21, 1341886), (26, 1083831), (39, 722554), (42, 670943), (49, 575094), (73, 386022), (78, 361277), (91, 309666), (98, 287547), (101, 279006), (146, 193011), (147, 191698), (182, 154833), (202, 139503), (219, 128674), (273, 103222), (294, 95849), (303, 93002), (438, 64337), (511, 55146), (546, 51611), (606, 46501), (637, 44238), (707, 39858), (949, 29694), (1022, 27573), (1274, 22119), (1313, 21462), (1414, 19929), (1533, 18382), (1898, 14847), (1911, 14746), (2121, 13286), (2626, 10731), (2847, 9898), (3066, 9191), (3577, 7878), (3822, 7373), (3939, 7154), (4242, 6643), (4949, 5694)]