1555361984

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{20269}}^1$

素因数の和:20401

約数の個数: 56

約数和(自身を含む): 3398062800

約数和(自身を除く): 1842700816

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 109, 176, 218, 352, 436, 704, 872, 1199, 1744, 2398, 3488, 4796, 6976, 9592, 19184, 20269, 38368, 40538, 76736, 81076, 162152, 222959, 324304, 445918, 648608, 891836, 1297216, 1783672, 2209321, 3567344, 4418642, 7134688, 8837284, 14269376, 17674568, 24302531, 35349136, 48605062, 70698272, 97210124, 141396544, 194420248, 388840496, 777680992, 1555361984]

約数ペア:

[(1, 1555361984), (2, 777680992), (4, 388840496), (8, 194420248), (11, 141396544), (16, 97210124), (22, 70698272), (32, 48605062), (44, 35349136), (64, 24302531), (88, 17674568), (109, 14269376), (176, 8837284), (218, 7134688), (352, 4418642), (436, 3567344), (704, 2209321), (872, 1783672), (1199, 1297216), (1744, 891836), (2398, 648608), (3488, 445918), (4796, 324304), (6976, 222959), (9592, 162152), (19184, 81076), (20269, 76736), (38368, 40538)]