211861625

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1249}}^1$

素因数の和:1346

約数の個数: 32

約数和(自身を含む): 280800000

約数和(自身を除く): 68938375

約数列:

[1, 5, 23, 25, 59, 115, 125, 295, 575, 1249, 1357, 1475, 2875, 6245, 6785, 7375, 28727, 31225, 33925, 73691, 143635, 156125, 169625, 368455, 718175, 1694893, 1842275, 3590875, 8474465, 9211375, 42372325, 211861625]

約数ペア:

[(1, 211861625), (5, 42372325), (23, 9211375), (25, 8474465), (59, 3590875), (115, 1842275), (125, 1694893), (295, 718175), (575, 368455), (1249, 169625), (1357, 156125), (1475, 143635), (2875, 73691), (6245, 33925), (6785, 31225), (7375, 28727)]