638724

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 1645056

約数和(自身を除く): 1006332

約数列:

[1, 2, 3, 4, 6, 12, 17, 31, 34, 51, 62, 68, 93, 101, 102, 124, 186, 202, 204, 303, 372, 404, 527, 606, 1054, 1212, 1581, 1717, 2108, 3131, 3162, 3434, 5151, 6262, 6324, 6868, 9393, 10302, 12524, 18786, 20604, 37572, 53227, 106454, 159681, 212908, 319362, 638724]

約数ペア:

[(1, 638724), (2, 319362), (3, 212908), (4, 159681), (6, 106454), (12, 53227), (17, 37572), (31, 20604), (34, 18786), (51, 12524), (62, 10302), (68, 9393), (93, 6868), (101, 6324), (102, 6262), (124, 5151), (186, 3434), (202, 3162), (204, 3131), (303, 2108), (372, 1717), (404, 1581), (527, 1212), (606, 1054)]