16247988

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 44029440

約数和(自身を除く): 27781452

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 139, 153, 191, 204, 278, 306, 382, 417, 556, 573, 612, 764, 834, 1146, 1251, 1668, 1719, 2292, 2363, 2502, 3247, 3438, 4726, 5004, 6494, 6876, 7089, 9452, 9741, 12988, 14178, 19482, 21267, 26549, 28356, 29223, 38964, 42534, 53098, 58446, 79647, 85068, 106196, 116892, 159294, 238941, 318588, 451333, 477882, 902666, 955764, 1353999, 1805332, 2707998, 4061997, 5415996, 8123994, 16247988]

約数ペア:

[(1, 16247988), (2, 8123994), (3, 5415996), (4, 4061997), (6, 2707998), (9, 1805332), (12, 1353999), (17, 955764), (18, 902666), (34, 477882), (36, 451333), (51, 318588), (68, 238941), (102, 159294), (139, 116892), (153, 106196), (191, 85068), (204, 79647), (278, 58446), (306, 53098), (382, 42534), (417, 38964), (556, 29223), (573, 28356), (612, 26549), (764, 21267), (834, 19482), (1146, 14178), (1251, 12988), (1668, 9741), (1719, 9452), (2292, 7089), (2363, 6876), (2502, 6494), (3247, 5004), (3438, 4726)]