205214982

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 479723520

約数和(自身を除く): 274508538

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 127, 158, 237, 254, 381, 474, 487, 553, 762, 889, 974, 1106, 1461, 1659, 1778, 2667, 2922, 3318, 3409, 5334, 6818, 10033, 10227, 20066, 20454, 30099, 38473, 60198, 61849, 70231, 76946, 115419, 123698, 140462, 185547, 210693, 230838, 269311, 371094, 421386, 432943, 538622, 807933, 865886, 1298829, 1615866, 2597658, 4886071, 9772142, 14658213, 29316426, 34202497, 68404994, 102607491, 205214982]

約数ペア:

[(1, 205214982), (2, 102607491), (3, 68404994), (6, 34202497), (7, 29316426), (14, 14658213), (21, 9772142), (42, 4886071), (79, 2597658), (127, 1615866), (158, 1298829), (237, 865886), (254, 807933), (381, 538622), (474, 432943), (487, 421386), (553, 371094), (762, 269311), (889, 230838), (974, 210693), (1106, 185547), (1461, 140462), (1659, 123698), (1778, 115419), (2667, 76946), (2922, 70231), (3318, 61849), (3409, 60198), (5334, 38473), (6818, 30099), (10033, 20454), (10227, 20066)]