489739054

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:569

約数の個数: 48

約数和(自身を含む): 879400800

約数和(自身を除く): 389661746

約数列:

[1, 2, 7, 14, 31, 62, 89, 178, 217, 409, 434, 623, 818, 961, 1246, 1922, 2759, 2863, 5518, 5726, 6727, 12679, 13454, 19313, 25358, 36401, 38626, 72802, 85529, 88753, 171058, 177506, 254807, 393049, 509614, 598703, 786098, 1128431, 1197406, 2256862, 2751343, 5502686, 7899017, 15798034, 34981361, 69962722, 244869527, 489739054]

約数ペア:

[(1, 489739054), (2, 244869527), (7, 69962722), (14, 34981361), (31, 15798034), (62, 7899017), (89, 5502686), (178, 2751343), (217, 2256862), (409, 1197406), (434, 1128431), (623, 786098), (818, 598703), (961, 509614), (1246, 393049), (1922, 254807), (2759, 177506), (2863, 171058), (5518, 88753), (5726, 85529), (6727, 72802), (12679, 38626), (13454, 36401), (19313, 25358)]