1981850398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 3428904960

約数和(自身を除く): 1447054562

約数列:

[1, 2, 11, 22, 31, 62, 89, 103, 178, 206, 317, 341, 634, 682, 979, 1133, 1958, 2266, 2759, 3193, 3487, 5518, 6386, 6974, 9167, 9827, 18334, 19654, 28213, 30349, 32651, 35123, 56426, 60698, 65302, 70246, 100837, 108097, 201674, 216194, 284177, 310343, 359161, 568354, 620686, 718322, 874603, 1012181, 1749206, 2024362, 2905939, 3125947, 5811878, 6251894, 9620633, 11133991, 19241266, 22267982, 31965329, 63930658, 90084109, 180168218, 990925199, 1981850398]

約数ペア:

[(1, 1981850398), (2, 990925199), (11, 180168218), (22, 90084109), (31, 63930658), (62, 31965329), (89, 22267982), (103, 19241266), (178, 11133991), (206, 9620633), (317, 6251894), (341, 5811878), (634, 3125947), (682, 2905939), (979, 2024362), (1133, 1749206), (1958, 1012181), (2266, 874603), (2759, 718322), (3193, 620686), (3487, 568354), (5518, 359161), (6386, 310343), (6974, 284177), (9167, 216194), (9827, 201674), (18334, 108097), (19654, 100837), (28213, 70246), (30349, 65302), (32651, 60698), (35123, 56426)]