278640416

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{1181}}^1$

素因数の和:1365

約数の個数: 48

約数和(自身を含む): 562069368

約数和(自身を除く): 283428952

約数列:

[1, 2, 4, 8, 16, 32, 73, 101, 146, 202, 292, 404, 584, 808, 1168, 1181, 1616, 2336, 2362, 3232, 4724, 7373, 9448, 14746, 18896, 29492, 37792, 58984, 86213, 117968, 119281, 172426, 235936, 238562, 344852, 477124, 689704, 954248, 1379408, 1908496, 2758816, 3816992, 8707513, 17415026, 34830052, 69660104, 139320208, 278640416]

約数ペア:

[(1, 278640416), (2, 139320208), (4, 69660104), (8, 34830052), (16, 17415026), (32, 8707513), (73, 3816992), (101, 2758816), (146, 1908496), (202, 1379408), (292, 954248), (404, 689704), (584, 477124), (808, 344852), (1168, 238562), (1181, 235936), (1616, 172426), (2336, 119281), (2362, 117968), (3232, 86213), (4724, 58984), (7373, 37792), (9448, 29492), (14746, 18896)]