22117375

素因数分解:

$5^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 33718464

約数和(自身を除く): 11601089

約数列:

[1, 5, 7, 23, 25, 35, 49, 115, 125, 157, 161, 175, 245, 575, 785, 805, 875, 1099, 1127, 1225, 2875, 3611, 3925, 4025, 5495, 5635, 6125, 7693, 18055, 19625, 20125, 25277, 27475, 28175, 38465, 90275, 126385, 137375, 140875, 176939, 192325, 451375, 631925, 884695, 961625, 3159625, 4423475, 22117375]

約数ペア:

[(1, 22117375), (5, 4423475), (7, 3159625), (23, 961625), (25, 884695), (35, 631925), (49, 451375), (115, 192325), (125, 176939), (157, 140875), (161, 137375), (175, 126385), (245, 90275), (575, 38465), (785, 28175), (805, 27475), (875, 25277), (1099, 20125), (1127, 19625), (1225, 18055), (2875, 7693), (3611, 6125), (3925, 5635), (4025, 5495)]