201228678

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1979}}^1$

素因数の和:2266

約数の個数: 64

約数和(自身を含む): 513216000

約数和(自身を除く): 311987322

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 269, 378, 538, 807, 1614, 1883, 1979, 2421, 3766, 3958, 4842, 5649, 5937, 7263, 11298, 11874, 13853, 14526, 16947, 17811, 27706, 33894, 35622, 41559, 50841, 53433, 83118, 101682, 106866, 124677, 249354, 374031, 532351, 748062, 1064702, 1597053, 3194106, 3726457, 4791159, 7452914, 9582318, 11179371, 14373477, 22358742, 28746954, 33538113, 67076226, 100614339, 201228678]

約数ペア:

[(1, 201228678), (2, 100614339), (3, 67076226), (6, 33538113), (7, 28746954), (9, 22358742), (14, 14373477), (18, 11179371), (21, 9582318), (27, 7452914), (42, 4791159), (54, 3726457), (63, 3194106), (126, 1597053), (189, 1064702), (269, 748062), (378, 532351), (538, 374031), (807, 249354), (1614, 124677), (1883, 106866), (1979, 101682), (2421, 83118), (3766, 53433), (3958, 50841), (4842, 41559), (5649, 35622), (5937, 33894), (7263, 27706), (11298, 17811), (11874, 16947), (13853, 14526)]