988890137753

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1\times {\mathrm{2179}}^1\times {\mathrm{4517}}^1$

素因数の和:7197

約数の個数: 32

約数和(自身を含む): 1169932124160

約数和(自身を除く): 181041986407

約数列:

[1, 7, 31, 217, 463, 2179, 3241, 4517, 14353, 15253, 31619, 67549, 100471, 140027, 472843, 980189, 1008877, 2091371, 7062139, 9842543, 14639597, 31275187, 64832501, 68897801, 218926309, 305118833, 453827507, 2135831831, 4557097409, 31899681863, 141270019679, 988890137753]

約数ペア:

[(1, 988890137753), (7, 141270019679), (31, 31899681863), (217, 4557097409), (463, 2135831831), (2179, 453827507), (3241, 305118833), (4517, 218926309), (14353, 68897801), (15253, 64832501), (31619, 31275187), (67549, 14639597), (100471, 9842543), (140027, 7062139), (472843, 2091371), (980189, 1008877)]