31252375

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 51757056

約数和(自身を除く): 20504681

約数列:

[1, 5, 7, 11, 17, 25, 35, 55, 77, 85, 119, 125, 175, 187, 191, 275, 385, 425, 595, 875, 935, 955, 1309, 1337, 1375, 1925, 2101, 2125, 2975, 3247, 4675, 4775, 6545, 6685, 9625, 10505, 14707, 14875, 16235, 22729, 23375, 23875, 32725, 33425, 35717, 52525, 73535, 81175, 113645, 163625, 167125, 178585, 250019, 262625, 367675, 405875, 568225, 892925, 1250095, 1838375, 2841125, 4464625, 6250475, 31252375]

約数ペア:

[(1, 31252375), (5, 6250475), (7, 4464625), (11, 2841125), (17, 1838375), (25, 1250095), (35, 892925), (55, 568225), (77, 405875), (85, 367675), (119, 262625), (125, 250019), (175, 178585), (187, 167125), (191, 163625), (275, 113645), (385, 81175), (425, 73535), (595, 52525), (875, 35717), (935, 33425), (955, 32725), (1309, 23875), (1337, 23375), (1375, 22729), (1925, 16235), (2101, 14875), (2125, 14707), (2975, 10505), (3247, 9625), (4675, 6685), (4775, 6545)]