74992827

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 128894976

約数和(自身を除く): 53902149

約数列:

[1, 3, 7, 13, 21, 39, 53, 71, 73, 91, 159, 213, 219, 273, 371, 497, 511, 689, 923, 949, 1113, 1491, 1533, 2067, 2769, 2847, 3763, 3869, 4823, 5183, 6461, 6643, 11289, 11607, 14469, 15549, 19383, 19929, 26341, 27083, 36281, 48919, 50297, 67379, 79023, 81249, 108843, 146757, 150891, 202137, 274699, 342433, 352079, 471653, 824097, 1027299, 1056237, 1414959, 1922893, 3571087, 5768679, 10713261, 24997609, 74992827]

約数ペア:

[(1, 74992827), (3, 24997609), (7, 10713261), (13, 5768679), (21, 3571087), (39, 1922893), (53, 1414959), (71, 1056237), (73, 1027299), (91, 824097), (159, 471653), (213, 352079), (219, 342433), (273, 274699), (371, 202137), (497, 150891), (511, 146757), (689, 108843), (923, 81249), (949, 79023), (1113, 67379), (1491, 50297), (1533, 48919), (2067, 36281), (2769, 27083), (2847, 26341), (3763, 19929), (3869, 19383), (4823, 15549), (5183, 14469), (6461, 11607), (6643, 11289)]