420021446

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:705

約数の個数: 48

約数和(自身を含む): 720516384

約数和(自身を除く): 300494938

約数列:

[1, 2, 13, 23, 26, 46, 97, 169, 194, 299, 338, 557, 598, 1114, 1261, 2231, 2522, 3887, 4462, 7241, 7774, 12811, 14482, 16393, 25622, 29003, 32786, 54029, 58006, 94133, 108058, 166543, 188266, 333086, 377039, 702377, 754078, 1242667, 1404754, 2165059, 2485334, 4330118, 9130901, 16154671, 18261802, 32309342, 210010723, 420021446]

約数ペア:

[(1, 420021446), (2, 210010723), (13, 32309342), (23, 18261802), (26, 16154671), (46, 9130901), (97, 4330118), (169, 2485334), (194, 2165059), (299, 1404754), (338, 1242667), (557, 754078), (598, 702377), (1114, 377039), (1261, 333086), (2231, 188266), (2522, 166543), (3887, 108058), (4462, 94133), (7241, 58006), (7774, 54029), (12811, 32786), (14482, 29003), (16393, 25622)]