68467568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{67}}^1$

素因数の和:139

約数の個数: 80

約数和(自身を含む): 154052640

約数和(自身を除く): 85585072

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 67, 68, 104, 134, 136, 208, 221, 268, 272, 289, 442, 536, 578, 871, 884, 1072, 1139, 1156, 1742, 1768, 2278, 2312, 3484, 3536, 3757, 4556, 4624, 4913, 6968, 7514, 9112, 9826, 13936, 14807, 15028, 18224, 19363, 19652, 29614, 30056, 38726, 39304, 59228, 60112, 63869, 77452, 78608, 118456, 127738, 154904, 236912, 251719, 255476, 309808, 329171, 503438, 510952, 658342, 1006876, 1021904, 1316684, 2013752, 2633368, 4027504, 4279223, 5266736, 8558446, 17116892, 34233784, 68467568]

約数ペア:

[(1, 68467568), (2, 34233784), (4, 17116892), (8, 8558446), (13, 5266736), (16, 4279223), (17, 4027504), (26, 2633368), (34, 2013752), (52, 1316684), (67, 1021904), (68, 1006876), (104, 658342), (134, 510952), (136, 503438), (208, 329171), (221, 309808), (268, 255476), (272, 251719), (289, 236912), (442, 154904), (536, 127738), (578, 118456), (871, 78608), (884, 77452), (1072, 63869), (1139, 60112), (1156, 59228), (1742, 39304), (1768, 38726), (2278, 30056), (2312, 29614), (3484, 19652), (3536, 19363), (3757, 18224), (4556, 15028), (4624, 14807), (4913, 13936), (6968, 9826), (7514, 9112)]