42006965

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 70048440

約数和(自身を除く): 28041475

約数列:

[1, 5, 7, 11, 13, 35, 49, 55, 65, 77, 91, 109, 121, 143, 245, 385, 455, 539, 545, 605, 637, 715, 763, 847, 1001, 1199, 1417, 1573, 2695, 3185, 3815, 4235, 5005, 5341, 5929, 5995, 7007, 7085, 7865, 8393, 9919, 11011, 13189, 15587, 26705, 29645, 35035, 41965, 49595, 55055, 58751, 65945, 69433, 77077, 77935, 92323, 109109, 171457, 293755, 347165, 385385, 461615, 545545, 646261, 763763, 857285, 1200199, 3231305, 3818815, 6000995, 8401393, 42006965]

約数ペア:

[(1, 42006965), (5, 8401393), (7, 6000995), (11, 3818815), (13, 3231305), (35, 1200199), (49, 857285), (55, 763763), (65, 646261), (77, 545545), (91, 461615), (109, 385385), (121, 347165), (143, 293755), (245, 171457), (385, 109109), (455, 92323), (539, 77935), (545, 77077), (605, 69433), (637, 65945), (715, 58751), (763, 55055), (847, 49595), (1001, 41965), (1199, 35035), (1417, 29645), (1573, 26705), (2695, 15587), (3185, 13189), (3815, 11011), (4235, 9919), (5005, 8393), (5341, 7865), (5929, 7085), (5995, 7007)]