16656388

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 35481600

約数和(自身を除く): 18825212

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 131, 133, 239, 262, 266, 478, 524, 532, 917, 956, 1673, 1834, 2489, 3346, 3668, 4541, 4978, 6692, 9082, 9956, 17423, 18164, 31309, 31787, 34846, 62618, 63574, 69692, 125236, 127148, 219163, 438326, 594871, 876652, 1189742, 2379484, 4164097, 8328194, 16656388]

約数ペア:

[(1, 16656388), (2, 8328194), (4, 4164097), (7, 2379484), (14, 1189742), (19, 876652), (28, 594871), (38, 438326), (76, 219163), (131, 127148), (133, 125236), (239, 69692), (262, 63574), (266, 62618), (478, 34846), (524, 31787), (532, 31309), (917, 18164), (956, 17423), (1673, 9956), (1834, 9082), (2489, 6692), (3346, 4978), (3668, 4541)]