201711994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 356762880

約数和(自身を除く): 155050886

約数列:

[1, 2, 11, 22, 29, 58, 61, 71, 73, 122, 142, 146, 319, 638, 671, 781, 803, 1342, 1562, 1606, 1769, 2059, 2117, 3538, 4118, 4234, 4331, 4453, 5183, 8662, 8906, 10366, 19459, 22649, 23287, 38918, 45298, 46574, 47641, 48983, 57013, 95282, 97966, 114026, 125599, 129137, 150307, 251198, 258274, 300614, 316163, 632326, 1381589, 1420507, 1653377, 2763178, 2841014, 3306754, 3477793, 6955586, 9168727, 18337454, 100855997, 201711994]

約数ペア:

[(1, 201711994), (2, 100855997), (11, 18337454), (22, 9168727), (29, 6955586), (58, 3477793), (61, 3306754), (71, 2841014), (73, 2763178), (122, 1653377), (142, 1420507), (146, 1381589), (319, 632326), (638, 316163), (671, 300614), (781, 258274), (803, 251198), (1342, 150307), (1562, 129137), (1606, 125599), (1769, 114026), (2059, 97966), (2117, 95282), (3538, 57013), (4118, 48983), (4234, 47641), (4331, 46574), (4453, 45298), (5183, 38918), (8662, 23287), (8906, 22649), (10366, 19459)]