31503724

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 66189312

約数和(自身を除く): 34685588

約数列:

[1, 2, 4, 7, 14, 28, 37, 47, 74, 94, 148, 188, 259, 329, 518, 647, 658, 1036, 1294, 1316, 1739, 2588, 3478, 4529, 6956, 9058, 12173, 18116, 23939, 24346, 30409, 47878, 48692, 60818, 95756, 121636, 167573, 212863, 335146, 425726, 670292, 851452, 1125133, 2250266, 4500532, 7875931, 15751862, 31503724]

約数ペア:

[(1, 31503724), (2, 15751862), (4, 7875931), (7, 4500532), (14, 2250266), (28, 1125133), (37, 851452), (47, 670292), (74, 425726), (94, 335146), (148, 212863), (188, 167573), (259, 121636), (329, 95756), (518, 60818), (647, 48692), (658, 47878), (1036, 30409), (1294, 24346), (1316, 23939), (1739, 18116), (2588, 12173), (3478, 9058), (4529, 6956)]