81436628

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1031}}^1$

素因数の和:1093

約数の個数: 72

約数和(自身を含む): 184472064

約数和(自身を除く): 103035436

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 124, 182, 196, 217, 364, 403, 434, 637, 806, 868, 1031, 1274, 1519, 1612, 2062, 2548, 2821, 3038, 4124, 5642, 6076, 7217, 11284, 13403, 14434, 19747, 26806, 28868, 31961, 39494, 50519, 53612, 63922, 78988, 93821, 101038, 127844, 187642, 202076, 223727, 375284, 415493, 447454, 656747, 830986, 894908, 1313494, 1566089, 1661972, 2626988, 2908451, 3132178, 5816902, 6264356, 11633804, 20359157, 40718314, 81436628]

約数ペア:

[(1, 81436628), (2, 40718314), (4, 20359157), (7, 11633804), (13, 6264356), (14, 5816902), (26, 3132178), (28, 2908451), (31, 2626988), (49, 1661972), (52, 1566089), (62, 1313494), (91, 894908), (98, 830986), (124, 656747), (182, 447454), (196, 415493), (217, 375284), (364, 223727), (403, 202076), (434, 187642), (637, 127844), (806, 101038), (868, 93821), (1031, 78988), (1274, 63922), (1519, 53612), (1612, 50519), (2062, 39494), (2548, 31961), (2821, 28868), (3038, 26806), (4124, 19747), (5642, 14434), (6076, 13403), (7217, 11284)]