213554908

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:647

約数の個数: 96

約数和(自身を含む): 485130240

約数和(自身を除く): 271575332

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 31, 38, 46, 62, 76, 92, 124, 133, 161, 217, 266, 322, 434, 437, 532, 563, 589, 644, 713, 868, 874, 1126, 1178, 1426, 1748, 2252, 2356, 2852, 3059, 3941, 4123, 4991, 6118, 7882, 8246, 9982, 10697, 12236, 12949, 13547, 15764, 16492, 17453, 19964, 21394, 25898, 27094, 34906, 42788, 51796, 54188, 69812, 74879, 90643, 94829, 122171, 149758, 181286, 189658, 244342, 246031, 299516, 331607, 362572, 379316, 401419, 488684, 492062, 663214, 802838, 984124, 1326428, 1605676, 1722217, 2321249, 2809933, 3444434, 4642498, 5619866, 6888868, 7626961, 9284996, 11239732, 15253922, 30507844, 53388727, 106777454, 213554908]

約数ペア:

[(1, 213554908), (2, 106777454), (4, 53388727), (7, 30507844), (14, 15253922), (19, 11239732), (23, 9284996), (28, 7626961), (31, 6888868), (38, 5619866), (46, 4642498), (62, 3444434), (76, 2809933), (92, 2321249), (124, 1722217), (133, 1605676), (161, 1326428), (217, 984124), (266, 802838), (322, 663214), (434, 492062), (437, 488684), (532, 401419), (563, 379316), (589, 362572), (644, 331607), (713, 299516), (868, 246031), (874, 244342), (1126, 189658), (1178, 181286), (1426, 149758), (1748, 122171), (2252, 94829), (2356, 90643), (2852, 74879), (3059, 69812), (3941, 54188), (4123, 51796), (4991, 42788), (6118, 34906), (7882, 27094), (8246, 25898), (9982, 21394), (10697, 19964), (12236, 17453), (12949, 16492), (13547, 15764)]