66958375

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 97100640

約数和(自身を除く): 30142265

約数列:

[1, 5, 11, 19, 25, 55, 95, 121, 125, 209, 233, 275, 475, 605, 1045, 1165, 1375, 2299, 2375, 2563, 3025, 4427, 5225, 5825, 11495, 12815, 15125, 22135, 26125, 28193, 29125, 48697, 57475, 64075, 110675, 140965, 243485, 287375, 320375, 535667, 553375, 704825, 1217425, 2678335, 3524125, 6087125, 13391675, 66958375]

約数ペア:

[(1, 66958375), (5, 13391675), (11, 6087125), (19, 3524125), (25, 2678335), (55, 1217425), (95, 704825), (121, 553375), (125, 535667), (209, 320375), (233, 287375), (275, 243485), (475, 140965), (605, 110675), (1045, 64075), (1165, 57475), (1375, 48697), (2299, 29125), (2375, 28193), (2563, 26125), (3025, 22135), (4427, 15125), (5225, 12815), (5825, 11495)]