187996963

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 266158080

約数和(自身を除く): 78161117

約数列:

[1, 7, 11, 19, 23, 37, 77, 133, 151, 161, 209, 253, 259, 407, 437, 703, 851, 1057, 1463, 1661, 1771, 2849, 2869, 3059, 3473, 4807, 4921, 5587, 5957, 7733, 9361, 11627, 16169, 20083, 24311, 31559, 33649, 38203, 39109, 54131, 61457, 65527, 65987, 106153, 113183, 128501, 177859, 220913, 267421, 430199, 461909, 725857, 743071, 899507, 1167683, 1245013, 1413511, 2441519, 5080999, 8173781, 9894577, 17090633, 26856709, 187996963]

約数ペア:

[(1, 187996963), (7, 26856709), (11, 17090633), (19, 9894577), (23, 8173781), (37, 5080999), (77, 2441519), (133, 1413511), (151, 1245013), (161, 1167683), (209, 899507), (253, 743071), (259, 725857), (407, 461909), (437, 430199), (703, 267421), (851, 220913), (1057, 177859), (1463, 128501), (1661, 113183), (1771, 106153), (2849, 65987), (2869, 65527), (3059, 61457), (3473, 54131), (4807, 39109), (4921, 38203), (5587, 33649), (5957, 31559), (7733, 24311), (9361, 20083), (11627, 16169)]