16989364

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 37657088

約数和(自身を除く): 20667724

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 37, 46, 62, 74, 92, 124, 148, 161, 217, 259, 322, 434, 518, 529, 644, 713, 851, 868, 1036, 1058, 1147, 1426, 1702, 2116, 2294, 2852, 3404, 3703, 4588, 4991, 5957, 7406, 8029, 9982, 11914, 14812, 16058, 16399, 19573, 19964, 23828, 26381, 32116, 32798, 39146, 52762, 65596, 78292, 105524, 114793, 137011, 184667, 229586, 274022, 369334, 459172, 548044, 606763, 738668, 1213526, 2427052, 4247341, 8494682, 16989364]

約数ペア:

[(1, 16989364), (2, 8494682), (4, 4247341), (7, 2427052), (14, 1213526), (23, 738668), (28, 606763), (31, 548044), (37, 459172), (46, 369334), (62, 274022), (74, 229586), (92, 184667), (124, 137011), (148, 114793), (161, 105524), (217, 78292), (259, 65596), (322, 52762), (434, 39146), (518, 32798), (529, 32116), (644, 26381), (713, 23828), (851, 19964), (868, 19573), (1036, 16399), (1058, 16058), (1147, 14812), (1426, 11914), (1702, 9982), (2116, 8029), (2294, 7406), (2852, 5957), (3404, 4991), (3703, 4588)]