139534955

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 212751360

約数和(自身を除く): 73216405

約数列:

[1, 5, 7, 19, 35, 37, 53, 95, 107, 133, 185, 259, 265, 371, 535, 665, 703, 749, 1007, 1295, 1855, 1961, 2033, 3515, 3745, 3959, 4921, 5035, 5671, 7049, 9805, 10165, 13727, 14231, 19795, 24605, 27713, 28355, 35245, 37259, 39697, 68635, 71155, 75221, 107749, 138565, 186295, 198485, 209827, 260813, 376105, 526547, 538745, 754243, 1049135, 1304065, 1468789, 2632735, 3771215, 3986713, 7343945, 19933565, 27906991, 139534955]

約数ペア:

[(1, 139534955), (5, 27906991), (7, 19933565), (19, 7343945), (35, 3986713), (37, 3771215), (53, 2632735), (95, 1468789), (107, 1304065), (133, 1049135), (185, 754243), (259, 538745), (265, 526547), (371, 376105), (535, 260813), (665, 209827), (703, 198485), (749, 186295), (1007, 138565), (1295, 107749), (1855, 75221), (1961, 71155), (2033, 68635), (3515, 39697), (3745, 37259), (3959, 35245), (4921, 28355), (5035, 27713), (5671, 24605), (7049, 19795), (9805, 14231), (10165, 13727)]