321508746

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{20507}}^1$

素因数の和:20595

約数の個数: 48

約数和(自身を含む): 761421024

約数和(自身を除く): 439912278

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 67, 78, 117, 134, 201, 234, 402, 603, 871, 1206, 1742, 2613, 5226, 7839, 15678, 20507, 41014, 61521, 123042, 184563, 266591, 369126, 533182, 799773, 1373969, 1599546, 2399319, 2747938, 4121907, 4798638, 8243814, 12365721, 17861597, 24731442, 35723194, 53584791, 107169582, 160754373, 321508746]

約数ペア:

[(1, 321508746), (2, 160754373), (3, 107169582), (6, 53584791), (9, 35723194), (13, 24731442), (18, 17861597), (26, 12365721), (39, 8243814), (67, 4798638), (78, 4121907), (117, 2747938), (134, 2399319), (201, 1599546), (234, 1373969), (402, 799773), (603, 533182), (871, 369126), (1206, 266591), (1742, 184563), (2613, 123042), (5226, 61521), (7839, 41014), (15678, 20507)]