128536144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:436

約数の個数: 80

約数和(自身を含む): 287017344

約数和(自身を除く): 158481200

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 113, 176, 184, 226, 253, 281, 368, 452, 506, 562, 904, 1012, 1124, 1243, 1808, 2024, 2248, 2486, 2599, 3091, 4048, 4496, 4972, 5198, 6182, 6463, 9944, 10396, 12364, 12926, 19888, 20792, 24728, 25852, 28589, 31753, 41584, 49456, 51704, 57178, 63506, 71093, 103408, 114356, 127012, 142186, 228712, 254024, 284372, 349283, 457424, 508048, 568744, 698566, 730319, 1137488, 1397132, 1460638, 2794264, 2921276, 5588528, 5842552, 8033509, 11685104, 16067018, 32134036, 64268072, 128536144]

約数ペア:

[(1, 128536144), (2, 64268072), (4, 32134036), (8, 16067018), (11, 11685104), (16, 8033509), (22, 5842552), (23, 5588528), (44, 2921276), (46, 2794264), (88, 1460638), (92, 1397132), (113, 1137488), (176, 730319), (184, 698566), (226, 568744), (253, 508048), (281, 457424), (368, 349283), (452, 284372), (506, 254024), (562, 228712), (904, 142186), (1012, 127012), (1124, 114356), (1243, 103408), (1808, 71093), (2024, 63506), (2248, 57178), (2486, 51704), (2599, 49456), (3091, 41584), (4048, 31753), (4496, 28589), (4972, 25852), (5198, 24728), (6182, 20792), (6463, 19888), (9944, 12926), (10396, 12364)]