218775992

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 446342400

約数和(自身を除く): 227566408

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 139, 142, 163, 278, 284, 326, 556, 568, 652, 1112, 1207, 1304, 2363, 2414, 2771, 4726, 4828, 5542, 9452, 9656, 9869, 11084, 11573, 18904, 19738, 22168, 22657, 23146, 39476, 45314, 46292, 78952, 90628, 92584, 167773, 181256, 196741, 335546, 385169, 393482, 671092, 770338, 786964, 1342184, 1540676, 1573928, 1608647, 3081352, 3217294, 6434588, 12869176, 27346999, 54693998, 109387996, 218775992]

約数ペア:

[(1, 218775992), (2, 109387996), (4, 54693998), (8, 27346999), (17, 12869176), (34, 6434588), (68, 3217294), (71, 3081352), (136, 1608647), (139, 1573928), (142, 1540676), (163, 1342184), (278, 786964), (284, 770338), (326, 671092), (556, 393482), (568, 385169), (652, 335546), (1112, 196741), (1207, 181256), (1304, 167773), (2363, 92584), (2414, 90628), (2771, 78952), (4726, 46292), (4828, 45314), (5542, 39476), (9452, 23146), (9656, 22657), (9869, 22168), (11084, 19738), (11573, 18904)]