1387722

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:115

約数の個数: 64

約数和(自身を含む): 3502080

約数和(自身を除く): 2114358

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 37, 38, 42, 47, 57, 74, 94, 111, 114, 133, 141, 222, 259, 266, 282, 329, 399, 518, 658, 703, 777, 798, 893, 987, 1406, 1554, 1739, 1786, 1974, 2109, 2679, 3478, 4218, 4921, 5217, 5358, 6251, 9842, 10434, 12173, 12502, 14763, 18753, 24346, 29526, 33041, 36519, 37506, 66082, 73038, 99123, 198246, 231287, 462574, 693861, 1387722]

約数ペア:

[(1, 1387722), (2, 693861), (3, 462574), (6, 231287), (7, 198246), (14, 99123), (19, 73038), (21, 66082), (37, 37506), (38, 36519), (42, 33041), (47, 29526), (57, 24346), (74, 18753), (94, 14763), (111, 12502), (114, 12173), (133, 10434), (141, 9842), (222, 6251), (259, 5358), (266, 5217), (282, 4921), (329, 4218), (399, 3478), (518, 2679), (658, 2109), (703, 1974), (777, 1786), (798, 1739), (893, 1554), (987, 1406)]