828165625

素因数分解:

$5^5\times 7^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 1266293952

約数和(自身を除く): 438128327

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 125, 131, 175, 289, 425, 595, 625, 655, 875, 917, 1445, 2023, 2125, 2227, 2975, 3125, 3275, 4375, 4585, 7225, 10115, 10625, 11135, 14875, 15589, 16375, 21875, 22925, 36125, 37859, 50575, 53125, 55675, 74375, 77945, 81875, 114625, 180625, 189295, 252875, 265013, 278375, 371875, 389725, 409375, 573125, 903125, 946475, 1264375, 1325065, 1391875, 1948625, 2865625, 4732375, 6321875, 6625325, 6959375, 9743125, 23661875, 33126625, 48715625, 118309375, 165633125, 828165625]

約数ペア:

[(1, 828165625), (5, 165633125), (7, 118309375), (17, 48715625), (25, 33126625), (35, 23661875), (85, 9743125), (119, 6959375), (125, 6625325), (131, 6321875), (175, 4732375), (289, 2865625), (425, 1948625), (595, 1391875), (625, 1325065), (655, 1264375), (875, 946475), (917, 903125), (1445, 573125), (2023, 409375), (2125, 389725), (2227, 371875), (2975, 278375), (3125, 265013), (3275, 252875), (4375, 189295), (4585, 180625), (7225, 114625), (10115, 81875), (10625, 77945), (11135, 74375), (14875, 55675), (15589, 53125), (16375, 50575), (21875, 37859), (22925, 36125)]