247121315

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 378224640

約数和(自身を除く): 131103325

約数列:

[1, 5, 7, 19, 23, 35, 95, 107, 115, 133, 151, 161, 437, 535, 665, 749, 755, 805, 1057, 2033, 2185, 2461, 2869, 3059, 3473, 3745, 5285, 10165, 12305, 14231, 14345, 15295, 16157, 17227, 17365, 20083, 24311, 46759, 65987, 71155, 80785, 86135, 100415, 113099, 121555, 233795, 306983, 327313, 329935, 371611, 461909, 565495, 1534915, 1636565, 1858055, 2148881, 2309545, 2601277, 7060609, 10744405, 13006385, 35303045, 49424263, 247121315]

約数ペア:

[(1, 247121315), (5, 49424263), (7, 35303045), (19, 13006385), (23, 10744405), (35, 7060609), (95, 2601277), (107, 2309545), (115, 2148881), (133, 1858055), (151, 1636565), (161, 1534915), (437, 565495), (535, 461909), (665, 371611), (749, 329935), (755, 327313), (805, 306983), (1057, 233795), (2033, 121555), (2185, 113099), (2461, 100415), (2869, 86135), (3059, 80785), (3473, 71155), (3745, 65987), (5285, 46759), (10165, 24311), (12305, 20083), (14231, 17365), (14345, 17227), (15295, 16157)]