61219730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1443

約数の個数: 64

約数和(自身を含む): 133733376

約数和(自身を除く): 72513646

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 286, 310, 341, 403, 682, 715, 806, 1381, 1430, 1705, 2015, 2762, 3410, 4030, 4433, 6905, 8866, 13810, 15191, 17953, 22165, 30382, 35906, 42811, 44330, 75955, 85622, 89765, 151910, 179530, 197483, 214055, 394966, 428110, 470921, 556543, 941842, 987415, 1113086, 1974830, 2354605, 2782715, 4709210, 5565430, 6121973, 12243946, 30609865, 61219730]

約数ペア:

[(1, 61219730), (2, 30609865), (5, 12243946), (10, 6121973), (11, 5565430), (13, 4709210), (22, 2782715), (26, 2354605), (31, 1974830), (55, 1113086), (62, 987415), (65, 941842), (110, 556543), (130, 470921), (143, 428110), (155, 394966), (286, 214055), (310, 197483), (341, 179530), (403, 151910), (682, 89765), (715, 85622), (806, 75955), (1381, 44330), (1430, 42811), (1705, 35906), (2015, 30382), (2762, 22165), (3410, 17953), (4030, 15191), (4433, 13810), (6905, 8866)]