87898538

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{1543}}^1$

素因数の和:1878

約数の個数: 32

約数和(自身を含む): 162898176

約数和(自身を除く): 74999638

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 313, 626, 1543, 2191, 3086, 4069, 4382, 8138, 10801, 20059, 21602, 28483, 40118, 56966, 140413, 280826, 482959, 965918, 3380713, 6278467, 6761426, 12556934, 43949269, 87898538]

約数ペア:

[(1, 87898538), (2, 43949269), (7, 12556934), (13, 6761426), (14, 6278467), (26, 3380713), (91, 965918), (182, 482959), (313, 280826), (626, 140413), (1543, 56966), (2191, 40118), (3086, 28483), (4069, 21602), (4382, 20059), (8138, 10801)]