31991958

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 71272656

約数和(自身を除く): 39280698

約数列:

[1, 2, 3, 6, 9, 18, 73, 97, 146, 194, 219, 251, 291, 438, 502, 582, 657, 753, 873, 1314, 1506, 1746, 2259, 4518, 7081, 14162, 18323, 21243, 24347, 36646, 42486, 48694, 54969, 63729, 73041, 109938, 127458, 146082, 164907, 219123, 329814, 438246, 1777331, 3554662, 5331993, 10663986, 15995979, 31991958]

約数ペア:

[(1, 31991958), (2, 15995979), (3, 10663986), (6, 5331993), (9, 3554662), (18, 1777331), (73, 438246), (97, 329814), (146, 219123), (194, 164907), (219, 146082), (251, 127458), (291, 109938), (438, 73041), (502, 63729), (582, 54969), (657, 48694), (753, 42486), (873, 36646), (1314, 24347), (1506, 21243), (1746, 18323), (2259, 14162), (4518, 7081)]