221091136

素因数分解:

$2^6\times 7^2\times {\mathrm{70501}}^1$

素因数の和:70527

約数の個数: 42

約数和(自身を含む): 510363978

約数和(自身を除く): 289272842

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 70501, 141002, 282004, 493507, 564008, 987014, 1128016, 1974028, 2256032, 3454549, 3948056, 4512064, 6909098, 7896112, 13818196, 15792224, 27636392, 31584448, 55272784, 110545568, 221091136]

約数ペア:

[(1, 221091136), (2, 110545568), (4, 55272784), (7, 31584448), (8, 27636392), (14, 15792224), (16, 13818196), (28, 7896112), (32, 6909098), (49, 4512064), (56, 3948056), (64, 3454549), (98, 2256032), (112, 1974028), (196, 1128016), (224, 987014), (392, 564008), (448, 493507), (784, 282004), (1568, 141002), (3136, 70501)]