71338670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 143700480

約数和(自身を除く): 72361810

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 71, 118, 130, 131, 142, 262, 295, 355, 590, 655, 710, 767, 923, 1310, 1534, 1703, 1846, 3406, 3835, 4189, 4615, 7670, 7729, 8378, 8515, 9230, 9301, 15458, 17030, 18602, 20945, 38645, 41890, 46505, 54457, 77290, 93010, 100477, 108914, 120913, 200954, 241826, 272285, 502385, 544570, 548759, 604565, 1004770, 1097518, 1209130, 2743795, 5487590, 7133867, 14267734, 35669335, 71338670]

約数ペア:

[(1, 71338670), (2, 35669335), (5, 14267734), (10, 7133867), (13, 5487590), (26, 2743795), (59, 1209130), (65, 1097518), (71, 1004770), (118, 604565), (130, 548759), (131, 544570), (142, 502385), (262, 272285), (295, 241826), (355, 200954), (590, 120913), (655, 108914), (710, 100477), (767, 93010), (923, 77290), (1310, 54457), (1534, 46505), (1703, 41890), (1846, 38645), (3406, 20945), (3835, 18602), (4189, 17030), (4615, 15458), (7670, 9301), (7729, 9230), (8378, 8515)]