28807254

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2357}}^1$

素因数の和:2469

約数の個数: 48

約数和(自身を含む): 72098208

約数和(自身を除く): 43290954

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 97, 126, 194, 291, 582, 679, 873, 1358, 1746, 2037, 2357, 4074, 4714, 6111, 7071, 12222, 14142, 16499, 21213, 32998, 42426, 49497, 98994, 148491, 228629, 296982, 457258, 685887, 1371774, 1600403, 2057661, 3200806, 4115322, 4801209, 9602418, 14403627, 28807254]

約数ペア:

[(1, 28807254), (2, 14403627), (3, 9602418), (6, 4801209), (7, 4115322), (9, 3200806), (14, 2057661), (18, 1600403), (21, 1371774), (42, 685887), (63, 457258), (97, 296982), (126, 228629), (194, 148491), (291, 98994), (582, 49497), (679, 42426), (873, 32998), (1358, 21213), (1746, 16499), (2037, 14142), (2357, 12222), (4074, 7071), (4714, 6111)]