828897985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{347}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 1068888960

約数和(自身を除く): 239990975

約数列:

[1, 5, 17, 85, 157, 179, 347, 785, 895, 1735, 2669, 3043, 5899, 13345, 15215, 28103, 29495, 54479, 62113, 140515, 272395, 310565, 477751, 926143, 1055921, 2388755, 4630715, 5279605, 9751741, 48758705, 165779597, 828897985]

約数ペア:

[(1, 828897985), (5, 165779597), (17, 48758705), (85, 9751741), (157, 5279605), (179, 4630715), (347, 2388755), (785, 1055921), (895, 926143), (1735, 477751), (2669, 310565), (3043, 272395), (5899, 140515), (13345, 62113), (15215, 54479), (28103, 29495)]