1720222551

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{4391}}^1$

素因数の和:4524

約数の個数: 48

約数和(自身を含む): 2740608000

約数和(自身を除く): 1020385449

約数列:

[1, 3, 9, 19, 29, 57, 79, 87, 171, 237, 261, 551, 711, 1501, 1653, 2291, 4391, 4503, 4959, 6873, 13173, 13509, 20619, 39519, 43529, 83429, 127339, 130587, 250287, 346889, 382017, 391761, 750861, 1040667, 1146051, 2419441, 3122001, 6590891, 7258323, 10059781, 19772673, 21774969, 30179343, 59318019, 90538029, 191135839, 573407517, 1720222551]

約数ペア:

[(1, 1720222551), (3, 573407517), (9, 191135839), (19, 90538029), (29, 59318019), (57, 30179343), (79, 21774969), (87, 19772673), (171, 10059781), (237, 7258323), (261, 6590891), (551, 3122001), (711, 2419441), (1501, 1146051), (1653, 1040667), (2291, 750861), (4391, 391761), (4503, 382017), (4959, 346889), (6873, 250287), (13173, 130587), (13509, 127339), (20619, 83429), (39519, 43529)]