66917552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{743}}^1$

素因数の和:1197

約数の個数: 40

約数和(自身を含む): 140136864

約数和(自身を除く): 73219312

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 433, 743, 866, 1486, 1732, 2972, 3464, 5629, 5944, 6928, 9659, 11258, 11888, 19318, 22516, 38636, 45032, 77272, 90064, 154544, 321719, 643438, 1286876, 2573752, 4182347, 5147504, 8364694, 16729388, 33458776, 66917552]

約数ペア:

[(1, 66917552), (2, 33458776), (4, 16729388), (8, 8364694), (13, 5147504), (16, 4182347), (26, 2573752), (52, 1286876), (104, 643438), (208, 321719), (433, 154544), (743, 90064), (866, 77272), (1486, 45032), (1732, 38636), (2972, 22516), (3464, 19318), (5629, 11888), (5944, 11258), (6928, 9659)]