521248

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 1270080

約数和(自身を除く): 748832

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 179, 182, 208, 224, 358, 364, 416, 716, 728, 1253, 1432, 1456, 2327, 2506, 2864, 2912, 4654, 5012, 5728, 9308, 10024, 16289, 18616, 20048, 32578, 37232, 40096, 65156, 74464, 130312, 260624, 521248]

約数ペア:

[(1, 521248), (2, 260624), (4, 130312), (7, 74464), (8, 65156), (13, 40096), (14, 37232), (16, 32578), (26, 20048), (28, 18616), (32, 16289), (52, 10024), (56, 9308), (91, 5728), (104, 5012), (112, 4654), (179, 2912), (182, 2864), (208, 2506), (224, 2327), (358, 1456), (364, 1432), (416, 1253), (716, 728)]