1999772203

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 2592931824

約数和(自身を除く): 593159621

約数列:

[1, 11, 13, 17, 53, 83, 121, 143, 187, 221, 289, 583, 689, 901, 913, 1079, 1411, 1573, 2057, 2431, 3179, 3757, 4399, 6413, 7579, 9911, 10043, 11713, 11869, 15317, 15521, 18343, 23987, 26741, 34969, 41327, 48389, 57187, 74783, 83369, 109021, 128843, 130559, 168487, 170731, 199121, 201773, 263857, 311831, 454597, 532279, 629057, 822613, 972179, 1271311, 1417273, 1853357, 2190331, 2219503, 2902427, 3430141, 6919627, 9048743, 10693969, 13984421, 16527043, 24093641, 37731551, 117633659, 153828631, 181797473, 1999772203]

約数ペア:

[(1, 1999772203), (11, 181797473), (13, 153828631), (17, 117633659), (53, 37731551), (83, 24093641), (121, 16527043), (143, 13984421), (187, 10693969), (221, 9048743), (289, 6919627), (583, 3430141), (689, 2902427), (901, 2219503), (913, 2190331), (1079, 1853357), (1411, 1417273), (1573, 1271311), (2057, 972179), (2431, 822613), (3179, 629057), (3757, 532279), (4399, 454597), (6413, 311831), (7579, 263857), (9911, 201773), (10043, 199121), (11713, 170731), (11869, 168487), (15317, 130559), (15521, 128843), (18343, 109021), (23987, 83369), (26741, 74783), (34969, 57187), (41327, 48389)]