61989928

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7741}}^1$

素因数の和:7778

約数の個数: 64

約数和(自身を含む): 156078720

約数和(自身を除く): 94088792

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 4004, 7741, 8008, 15482, 30964, 54187, 61928, 85151, 100633, 108374, 170302, 201266, 216748, 340604, 402532, 433496, 596057, 681208, 704431, 805064, 1106963, 1192114, 1408862, 2213926, 2384228, 2817724, 4427852, 4768456, 5635448, 7748741, 8855704, 15497482, 30994964, 61989928]

約数ペア:

[(1, 61989928), (2, 30994964), (4, 15497482), (7, 8855704), (8, 7748741), (11, 5635448), (13, 4768456), (14, 4427852), (22, 2817724), (26, 2384228), (28, 2213926), (44, 1408862), (52, 1192114), (56, 1106963), (77, 805064), (88, 704431), (91, 681208), (104, 596057), (143, 433496), (154, 402532), (182, 340604), (286, 216748), (308, 201266), (364, 170302), (572, 108374), (616, 100633), (728, 85151), (1001, 61928), (1144, 54187), (2002, 30964), (4004, 15482), (7741, 8008)]