71236490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 143700480

約数和(自身を除く): 72463990

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 89, 94, 130, 131, 178, 235, 262, 445, 470, 611, 655, 890, 1157, 1222, 1310, 1703, 2314, 3055, 3406, 4183, 5785, 6110, 6157, 8366, 8515, 11570, 11659, 12314, 17030, 20915, 23318, 30785, 41830, 54379, 58295, 61570, 80041, 108758, 116590, 151567, 160082, 271895, 303134, 400205, 543790, 547973, 757835, 800410, 1095946, 1515670, 2739865, 5479730, 7123649, 14247298, 35618245, 71236490]

約数ペア:

[(1, 71236490), (2, 35618245), (5, 14247298), (10, 7123649), (13, 5479730), (26, 2739865), (47, 1515670), (65, 1095946), (89, 800410), (94, 757835), (130, 547973), (131, 543790), (178, 400205), (235, 303134), (262, 271895), (445, 160082), (470, 151567), (611, 116590), (655, 108758), (890, 80041), (1157, 61570), (1222, 58295), (1310, 54379), (1703, 41830), (2314, 30785), (3055, 23318), (3406, 20915), (4183, 17030), (5785, 12314), (6110, 11659), (6157, 11570), (8366, 8515)]