71748708052

素因数分解:

$2^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{17401}}^1$

素因数の和:17721

約数の個数: 72

約数和(自身を含む): 148172113320

約数和(自身を除く): 76423405268

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 109, 193, 196, 218, 386, 436, 763, 772, 1351, 1526, 2702, 3052, 5341, 5404, 9457, 10682, 17401, 18914, 21037, 21364, 34802, 37828, 42074, 69604, 84148, 121807, 147259, 243614, 294518, 487228, 589036, 852649, 1030813, 1705298, 1896709, 2061626, 3358393, 3410596, 3793418, 4123252, 6716786, 7586836, 13276963, 13433572, 23508751, 26553926, 47017502, 53107852, 92938741, 94035004, 164561257, 185877482, 329122514, 366064837, 371754964, 658245028, 732129674, 1464259348, 2562453859, 5124907718, 10249815436, 17937177013, 35874354026, 71748708052]

約数ペア:

[(1, 71748708052), (2, 35874354026), (4, 17937177013), (7, 10249815436), (14, 5124907718), (28, 2562453859), (49, 1464259348), (98, 732129674), (109, 658245028), (193, 371754964), (196, 366064837), (218, 329122514), (386, 185877482), (436, 164561257), (763, 94035004), (772, 92938741), (1351, 53107852), (1526, 47017502), (2702, 26553926), (3052, 23508751), (5341, 13433572), (5404, 13276963), (9457, 7586836), (10682, 6716786), (17401, 4123252), (18914, 3793418), (21037, 3410596), (21364, 3358393), (34802, 2061626), (37828, 1896709), (42074, 1705298), (69604, 1030813), (84148, 852649), (121807, 589036), (147259, 487228), (243614, 294518)]