1381257328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{661}}^1$

素因数の和:1094

約数の個数: 80

約数和(自身を含む): 3026092032

約数和(自身を除く): 1644834704

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 383, 496, 661, 682, 766, 1322, 1364, 1532, 2644, 2728, 3064, 4213, 5288, 5456, 6128, 7271, 8426, 10576, 11873, 14542, 16852, 20491, 23746, 29084, 33704, 40982, 47492, 58168, 67408, 81964, 94984, 116336, 130603, 163928, 189968, 225401, 253163, 261206, 327856, 450802, 506326, 522412, 901604, 1012652, 1044824, 1803208, 2025304, 2089648, 2784793, 3606416, 4050608, 5569586, 7848053, 11139172, 15696106, 22278344, 31392212, 44556688, 62784424, 86328583, 125568848, 172657166, 345314332, 690628664, 1381257328]

約数ペア:

[(1, 1381257328), (2, 690628664), (4, 345314332), (8, 172657166), (11, 125568848), (16, 86328583), (22, 62784424), (31, 44556688), (44, 31392212), (62, 22278344), (88, 15696106), (124, 11139172), (176, 7848053), (248, 5569586), (341, 4050608), (383, 3606416), (496, 2784793), (661, 2089648), (682, 2025304), (766, 1803208), (1322, 1044824), (1364, 1012652), (1532, 901604), (2644, 522412), (2728, 506326), (3064, 450802), (4213, 327856), (5288, 261206), (5456, 253163), (6128, 225401), (7271, 189968), (8426, 163928), (10576, 130603), (11873, 116336), (14542, 94984), (16852, 81964), (20491, 67408), (23746, 58168), (29084, 47492), (33704, 40982)]