28335294

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{419}}^1$

素因数の和:474

約数の個数: 72

約数和(自身を含む): 70401240

約数和(自身を除く): 42065946

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 289, 306, 419, 442, 578, 663, 838, 867, 1257, 1326, 1734, 1989, 2514, 2601, 3757, 3771, 3978, 5202, 5447, 7123, 7514, 7542, 10894, 11271, 14246, 16341, 21369, 22542, 32682, 33813, 42738, 49023, 64107, 67626, 92599, 98046, 121091, 128214, 185198, 242182, 277797, 363273, 555594, 726546, 833391, 1089819, 1574183, 1666782, 2179638, 3148366, 4722549, 9445098, 14167647, 28335294]

約数ペア:

[(1, 28335294), (2, 14167647), (3, 9445098), (6, 4722549), (9, 3148366), (13, 2179638), (17, 1666782), (18, 1574183), (26, 1089819), (34, 833391), (39, 726546), (51, 555594), (78, 363273), (102, 277797), (117, 242182), (153, 185198), (221, 128214), (234, 121091), (289, 98046), (306, 92599), (419, 67626), (442, 64107), (578, 49023), (663, 42738), (838, 33813), (867, 32682), (1257, 22542), (1326, 21369), (1734, 16341), (1989, 14246), (2514, 11271), (2601, 10894), (3757, 7542), (3771, 7514), (3978, 7123), (5202, 5447)]