2149482725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{1291}}^1$

素因数の和:1470

約数の個数: 48

約数和(自身を含む): 2960643840

約数和(自身を除く): 811161115

約数列:

[1, 5, 13, 25, 47, 65, 109, 235, 325, 545, 611, 1175, 1291, 1417, 2725, 3055, 5123, 6455, 7085, 15275, 16783, 25615, 32275, 35425, 60677, 66599, 83915, 128075, 140719, 303385, 332995, 419575, 703595, 788801, 1516925, 1664975, 1829347, 3517975, 3944005, 6613793, 9146735, 19720025, 33068965, 45733675, 85979309, 165344825, 429896545, 2149482725]

約数ペア:

[(1, 2149482725), (5, 429896545), (13, 165344825), (25, 85979309), (47, 45733675), (65, 33068965), (109, 19720025), (235, 9146735), (325, 6613793), (545, 3944005), (611, 3517975), (1175, 1829347), (1291, 1664975), (1417, 1516925), (2725, 788801), (3055, 703595), (5123, 419575), (6455, 332995), (7085, 303385), (15275, 140719), (16783, 128075), (25615, 83915), (32275, 66599), (35425, 60677)]