201718736

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:612

約数の個数: 80

約数和(自身を含む): 437114880

約数和(自身を除く): 235396144

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 47, 62, 68, 94, 124, 136, 188, 248, 272, 376, 496, 509, 527, 752, 799, 1018, 1054, 1457, 1598, 2036, 2108, 2914, 3196, 4072, 4216, 5828, 6392, 8144, 8432, 8653, 11656, 12784, 15779, 17306, 23312, 23923, 24769, 31558, 34612, 47846, 49538, 63116, 69224, 95692, 99076, 126232, 138448, 191384, 198152, 252464, 268243, 382768, 396304, 406691, 536486, 741613, 813382, 1072972, 1483226, 1626764, 2145944, 2966452, 3253528, 4291888, 5932904, 6507056, 11865808, 12607421, 25214842, 50429684, 100859368, 201718736]

約数ペア:

[(1, 201718736), (2, 100859368), (4, 50429684), (8, 25214842), (16, 12607421), (17, 11865808), (31, 6507056), (34, 5932904), (47, 4291888), (62, 3253528), (68, 2966452), (94, 2145944), (124, 1626764), (136, 1483226), (188, 1072972), (248, 813382), (272, 741613), (376, 536486), (496, 406691), (509, 396304), (527, 382768), (752, 268243), (799, 252464), (1018, 198152), (1054, 191384), (1457, 138448), (1598, 126232), (2036, 99076), (2108, 95692), (2914, 69224), (3196, 63116), (4072, 49538), (4216, 47846), (5828, 34612), (6392, 31558), (8144, 24769), (8432, 23923), (8653, 23312), (11656, 17306), (12784, 15779)]