217385386

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 341290368

約数和(自身を除く): 123904982

約数列:

[1, 2, 67, 71, 73, 134, 142, 146, 313, 626, 4757, 4891, 5183, 9514, 9782, 10366, 20971, 22223, 22849, 41942, 44446, 45698, 347261, 694522, 1488941, 1530883, 1622279, 2977882, 3061766, 3244558, 108692693, 217385386]

約数ペア:

[(1, 217385386), (2, 108692693), (67, 3244558), (71, 3061766), (73, 2977882), (134, 1622279), (142, 1530883), (146, 1488941), (313, 694522), (626, 347261), (4757, 45698), (4891, 44446), (5183, 41942), (9514, 22849), (9782, 22223), (10366, 20971)]