81017023788

素因数分解:

$2^2\times 3^2\times {\mathrm{283}}^1\times {\mathrm{419}}^1\times {\mathrm{18979}}^1$

素因数の和:19691

約数の個数: 72

約数和(自身を含む): 206018030400

約数和(自身を除く): 125001006612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 283, 419, 566, 838, 849, 1132, 1257, 1676, 1698, 2514, 2547, 3396, 3771, 5028, 5094, 7542, 10188, 15084, 18979, 37958, 56937, 75916, 113874, 118577, 170811, 227748, 237154, 341622, 355731, 474308, 683244, 711462, 1067193, 1422924, 2134386, 4268772, 5371057, 7952201, 10742114, 15904402, 16113171, 21484228, 23856603, 31808804, 32226342, 47713206, 48339513, 64452684, 71569809, 95426412, 96679026, 143139618, 193358052, 286279236, 2250472883, 4500945766, 6751418649, 9001891532, 13502837298, 20254255947, 27005674596, 40508511894, 81017023788]

約数ペア:

[(1, 81017023788), (2, 40508511894), (3, 27005674596), (4, 20254255947), (6, 13502837298), (9, 9001891532), (12, 6751418649), (18, 4500945766), (36, 2250472883), (283, 286279236), (419, 193358052), (566, 143139618), (838, 96679026), (849, 95426412), (1132, 71569809), (1257, 64452684), (1676, 48339513), (1698, 47713206), (2514, 32226342), (2547, 31808804), (3396, 23856603), (3771, 21484228), (5028, 16113171), (5094, 15904402), (7542, 10742114), (10188, 7952201), (15084, 5371057), (18979, 4268772), (37958, 2134386), (56937, 1422924), (75916, 1067193), (113874, 711462), (118577, 683244), (170811, 474308), (227748, 355731), (237154, 341622)]