260476016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{877}}^1\times {\mathrm{977}}^1$

素因数の和:1881

約数の個数: 40

約数和(自身を含む): 532384080

約数和(自身を除く): 271908064

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 877, 977, 1754, 1954, 3508, 3908, 7016, 7816, 14032, 15632, 16663, 18563, 33326, 37126, 66652, 74252, 133304, 148504, 266608, 297008, 856829, 1713658, 3427316, 6854632, 13709264, 16279751, 32559502, 65119004, 130238008, 260476016]

約数ペア:

[(1, 260476016), (2, 130238008), (4, 65119004), (8, 32559502), (16, 16279751), (19, 13709264), (38, 6854632), (76, 3427316), (152, 1713658), (304, 856829), (877, 297008), (977, 266608), (1754, 148504), (1954, 133304), (3508, 74252), (3908, 66652), (7016, 37126), (7816, 33326), (14032, 18563), (15632, 16663)]