217902776

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{299317}}^1$

素因数の和:299343

約数の個数: 32

約数和(自身を含む): 502854240

約数和(自身を除く): 284951464

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 299317, 598634, 1197268, 2095219, 2394536, 3891121, 4190438, 7782242, 8380876, 15564484, 16761752, 27237847, 31128968, 54475694, 108951388, 217902776]

約数ペア:

[(1, 217902776), (2, 108951388), (4, 54475694), (7, 31128968), (8, 27237847), (13, 16761752), (14, 15564484), (26, 8380876), (28, 7782242), (52, 4190438), (56, 3891121), (91, 2394536), (104, 2095219), (182, 1197268), (364, 598634), (728, 299317)]