216891376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{33637}}^1$

素因数の和:33689

約数の個数: 40

約数和(自身を含む): 467164544

約数和(自身を除く): 250273168

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 33637, 67274, 134548, 269096, 437281, 538192, 874562, 1042747, 1749124, 2085494, 3498248, 4170988, 6996496, 8341976, 13555711, 16683952, 27111422, 54222844, 108445688, 216891376]

約数ペア:

[(1, 216891376), (2, 108445688), (4, 54222844), (8, 27111422), (13, 16683952), (16, 13555711), (26, 8341976), (31, 6996496), (52, 4170988), (62, 3498248), (104, 2085494), (124, 1749124), (208, 1042747), (248, 874562), (403, 538192), (496, 437281), (806, 269096), (1612, 134548), (3224, 67274), (6448, 33637)]