78857758

素因数分解:

$2^1\times 7^3\times {\mathrm{139}}^1\times {\mathrm{827}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 139104000

約数和(自身を除く): 60246242

約数列:

[1, 2, 7, 14, 49, 98, 139, 278, 343, 686, 827, 973, 1654, 1946, 5789, 6811, 11578, 13622, 40523, 47677, 81046, 95354, 114953, 229906, 283661, 567322, 804671, 1609342, 5632697, 11265394, 39428879, 78857758]

約数ペア:

[(1, 78857758), (2, 39428879), (7, 11265394), (14, 5632697), (49, 1609342), (98, 804671), (139, 567322), (278, 283661), (343, 229906), (686, 114953), (827, 95354), (973, 81046), (1654, 47677), (1946, 40523), (5789, 13622), (6811, 11578)]