287400256

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1013}}^1$

素因数の和:1080

約数の個数: 112

約数和(自身を含む): 692310528

約数和(自身を除く): 404910272

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 32, 44, 52, 62, 64, 88, 104, 124, 143, 176, 208, 248, 286, 341, 352, 403, 416, 496, 572, 682, 704, 806, 832, 992, 1013, 1144, 1364, 1612, 1984, 2026, 2288, 2728, 3224, 4052, 4433, 4576, 5456, 6448, 8104, 8866, 9152, 10912, 11143, 12896, 13169, 16208, 17732, 21824, 22286, 25792, 26338, 31403, 32416, 35464, 44572, 52676, 62806, 64832, 70928, 89144, 105352, 125612, 141856, 144859, 178288, 210704, 251224, 283712, 289718, 345433, 356576, 408239, 421408, 502448, 579436, 690866, 713152, 816478, 842816, 1004896, 1158872, 1381732, 1632956, 2009792, 2317744, 2763464, 3265912, 4490629, 4635488, 5526928, 6531824, 8981258, 9270976, 11053856, 13063648, 17962516, 22107712, 26127296, 35925032, 71850064, 143700128, 287400256]

約数ペア:

[(1, 287400256), (2, 143700128), (4, 71850064), (8, 35925032), (11, 26127296), (13, 22107712), (16, 17962516), (22, 13063648), (26, 11053856), (31, 9270976), (32, 8981258), (44, 6531824), (52, 5526928), (62, 4635488), (64, 4490629), (88, 3265912), (104, 2763464), (124, 2317744), (143, 2009792), (176, 1632956), (208, 1381732), (248, 1158872), (286, 1004896), (341, 842816), (352, 816478), (403, 713152), (416, 690866), (496, 579436), (572, 502448), (682, 421408), (704, 408239), (806, 356576), (832, 345433), (992, 289718), (1013, 283712), (1144, 251224), (1364, 210704), (1612, 178288), (1984, 144859), (2026, 141856), (2288, 125612), (2728, 105352), (3224, 89144), (4052, 70928), (4433, 64832), (4576, 62806), (5456, 52676), (6448, 44572), (8104, 35464), (8866, 32416), (9152, 31403), (10912, 26338), (11143, 25792), (12896, 22286), (13169, 21824), (16208, 17732)]