16644985

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 25482240

約数和(自身を除く): 8837255

約数列:

[1, 5, 7, 23, 29, 31, 35, 115, 145, 155, 161, 203, 217, 529, 667, 713, 805, 899, 1015, 1085, 2645, 3335, 3565, 3703, 4495, 4669, 4991, 6293, 15341, 16399, 18515, 20677, 23345, 24955, 31465, 76705, 81995, 103385, 107387, 114793, 144739, 475571, 536935, 573965, 723695, 2377855, 3328997, 16644985]

約数ペア:

[(1, 16644985), (5, 3328997), (7, 2377855), (23, 723695), (29, 573965), (31, 536935), (35, 475571), (115, 144739), (145, 114793), (155, 107387), (161, 103385), (203, 81995), (217, 76705), (529, 31465), (667, 24955), (713, 23345), (805, 20677), (899, 18515), (1015, 16399), (1085, 15341), (2645, 6293), (3335, 4991), (3565, 4669), (3703, 4495)]