81977784

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{69709}}^1$

素因数の和:69732

約数の個数: 48

約数和(自身を含む): 238408200

約数和(自身を除く): 156430416

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 69709, 139418, 209127, 278836, 418254, 487963, 557672, 836508, 975926, 1463889, 1673016, 1951852, 2927778, 3415741, 3903704, 5855556, 6831482, 10247223, 11711112, 13662964, 20494446, 27325928, 40988892, 81977784]

約数ペア:

[(1, 81977784), (2, 40988892), (3, 27325928), (4, 20494446), (6, 13662964), (7, 11711112), (8, 10247223), (12, 6831482), (14, 5855556), (21, 3903704), (24, 3415741), (28, 2927778), (42, 1951852), (49, 1673016), (56, 1463889), (84, 975926), (98, 836508), (147, 557672), (168, 487963), (196, 418254), (294, 278836), (392, 209127), (588, 139418), (1176, 69709)]